Executive Team

OTG Consulting was formed by a group of industry leaders in order to fill a gap in the marketplace. The Partners at OTG have led the companies that have defined business communications to date.

Jeffrey Pearl


Jeffrey Pearl has a stellar track record of 30 plus years in the telecommunications industry, but it is his relationships with the Industry leaders and top performing sales execs that he considers his real success and ongoing asset. He has alliances with all the top players and the value he can bring to the table for his business clients and Service Providers with those alliances are unsurpassed. Through unparalleled leadership and finesse, Jeffrey has a proven history of increasing momentum and accelerating large sales organizations.

Jeffrey is CEO and Founder of OTG Consulting as well as CEO and Founder of PearlCom.  OTG is a consortium of some of the Industries top Executives focused on advising and consulting to SMB and Large Enterprise Business Customers.  PearlCom is a consulting firm focused on supporting service providers and MSP’s deploying VoIP platforms, Go-to-Market Strategies, Channel Development, Sales Management, Recruiting and Exceleration.  In addition, Jeffrey is involved in multiple Boards advising Executives on Strategy, Technology and Charitable events.

Previous to that, Jeffrey was at Broadsoft, where he was responsible for North America Carrier Sales, Global Channel Acceleration and built an Enterprise and Strategic Sales Channel.

Prior to that, he co-founded IP5280 Communications, a cloud based IP communications provider focused on delivering converged IP voice, video and data services to business customers. IP5280 was awarded Technology services of the year  by CTA , was on the INC 500 list of fastest growing companies and was awarded one of The Best Companies to Work for in Colorado several years in a row.

IP5280 was acquired by MegaPath. Jeffrey took the role of SVP of sales at MegaPath and lead a refocused effort on VoIP and other cloud based services. Before IP5280, Jeffrey Co-founded, LineSider Communications, which specialized in secure VoIP communications,The VoIP Services were sold to Centric Voice and the remainder of the company was purchased by Cisco. Preceding Linesider, Jeffrey was CEO and previous to that EVP of Sales and Marketing with ICG Communications, a publicly traded CLEC, and a pioneer in Hosted VoIP services. As CEO, he successfully executed the sale of the company. He also held senior roles at Qwest Communications with responsibility for Direct and indirect revenue streams. In this role he hired 700 sales execs inside of a year, growing the organization to close to 3,000 employees. He held Senior Sales Executive roles at Frontier Communications and Worldcom Communications.


Brian Belanger

Co-Founder and President

Brian Belanger brings over 25 years of experience in the Technology Industry with a proven track record as a results driven leader.  His expertise in training, coaching and mentoring sets him apart as an industry influencer.  Brian’s ability to develop and empower people to achieve objectives in all aspects of business as well as personal goals makes him an asset to OTG’s core values.  

Brian is Co-Founder and President of OTG Consulting.  OTG is an industry leading Technology consulting group focusing on delivering technology solutions while driving down costs.  OTG also specializes in mentoring and training OTG Partners to achieve exceptional results.

Prior to OTG Brian was West Director for Net2phone.  A division of IDT Brian was responsible for developing the West Channel for Net2phone. Brian’s previous experience include Comcast Enterprise where he helped secure some of the largest enterprise accounts for the West Division.  He also played in integral part at IP5280, a cloud based IP Communications provider focused on delivering IP Voice, video and data services.  IP5280 was awarded Technology services of the year by CTA, was on the INC 500 list of fastest growing companies and awarded one of the Best Companies to Work for in Colorado for several years in a row.  

Brian sits on the board and personally participates in CLIMBING FOR KIDS a charity where 100% of the proceeds goes to Children’s Hospital Colorado, supporting children with mental health challenges. He has been involved in this charity since inception in 2006 and has helped raise nearly one million dollars.  Giving back is an integral part of his core.

Brian Belanger


John Bosen

Chief Legal Officer

John K. Bosen was born in Portsmouth, N.H. and received his B.A. from the University of New Hampshire in 1986. Attorney Bosen received his law degree from Suffolk University in 1989. He is a member of both the New Hampshire and Massachusetts Bar Associations. Attorney Bosen is also admitted to practice before the United States District Court, District of New Hampshire, United States Court of Appeals for the First Circuit and the United States Supreme Court.

Throughout Attorney Bosen’s professional career, he has served in numerous non-profit and volunteer capacities such as the Board of Directors of the Greater Portsmouth Chamber of Commerce Board of Directors, where he served as Chairman of the Board, the Board of Directors of the St. Nicholas Greek Orthodox Church where he served as Parish Council President, the Board of Trustees for the Seacoast Repertory Theatre in the capacity of Vice President.

Currently, Attorney Bosen is a Director of the Provident Bank and also sits on the City of Portsmouth’s Economic Development Commission. Attorney Bosen’s practice focuses on real estate, business law and civil ligation. He was received the readers choice award for the “Best Lawyer” in the seacoast in 2014. In his spare time, John enjoys Downhill and Nordic skiing, boating and golf.


Thomas Muller

Chief Technology Officer

Tom joins OTG Consulting with a wealth of experience to this CTO position from a broad variety of roles in Sales, Technical Engineering and Business Development in a career spanning over 30 years. He is a highly effective, customer focused executive with extensive experience in UCaaS, Cloud and WAN Network disciplines. Tom has demonstrated highly effective leadership having held Executive positions at several leading Telecom and Technical companies including AT&T, Qwest, MCI, Savvis, MegaPath, Siemens and also Digital Equipment Corporation. Most recently, Tom was President and CEO of Hayden Consulting providing technical consulting in IP Convergence, UCaaS and Business process improvement. Tom was a founding partner, Sr Vice President, of Linesider Communications where he launched a National VoIP Product offering. In his five years at Qwest Communications, he ran their 500 employee National Sales Engineering organization as Vice President of Sales Engineering. He also brings a strong end user customer perspective having been Director of Networking at FTD. Tom has a BS degree in Electrical Engineering from Purdue University and a MBA in Finance/General Management from Lake Forest Graduate School of Management. Tom resides in both Naples, FL and Nashville, TN with his wife.


Richard Lang

Senior Partner

Richard is a diverse executive with experience as a CEO for a Software-as-a-Service company and a CTO for a multi-location contact center organization. With a background in information technology and communication technology (ICT), Richard brings 23 years of experience to help clients better understand the current technological landscape and how to implement new solutions while mitigating risk. 

Richard combines his analytical, problem-solving, and strong communication skills to provide effective solutions for OTG clients and partners. His knowledge of market trends, industry best practices, and strategic planning will help organizations gain useful insights and achieve their technology objectives.

As the President and CEO at SingleSource, a cloud-based UCaaS/CCaaS VAR, Richard directed the company’s financial, operational, sales, and marketing initiatives for continual growth and increase of operating efficiencies. Over 15 years, the SingleSource team completed numerous UCaaS and CCaaS deployments giving Richard valuable “been there, done that” experience and the insight to deliver a true ROI.  

During his time as a CTO, he managed the IT infrastructure and programming teams for a medium-sized contact center organization with 5 locations across North America. Together the group created and implemented a technology roadmap for department leaders and deployed new technologies at the request of operations. These deployments included: transitioning from an old, outdated email & print mail process to a fully cloud-based solution, the introduction of a virtual attendant to manage inbound calls, and the creation of a new web payment portal. 

In his free time, Richard enjoys being outdoors, either hiking or snowboarding, near his home in Colorado. He is an active member of the fundraising committee at Bridge of Hope, an organization that raises money for single moms and helps to provide career placement and housing. 

Richard Lang


Peter D. Marsh

Senior Partner

Peter joins OTG Consulting with 39 years’ experience in the IXC, CLEC, and MSO space. He spent the last 15 years at Comcast Business. For the last 6 years at CB, he was the Division Vice President Northeast – SMB Field Sales and Market Development. In that role he had oversight on the SMB field operations and led efforts in expanding the Fiber footprint both in and out of Comcast franchise areas. Prior to his Divisional headquarters role, he was a very successful Regional Vice President for both the Greater Boston and the Beltway Regions from 2007 – 2015. 

Before his time at Comcast, Peter was the SVP for National Sales with ICG Communication in Denver reporting directly to Jeffrey Pearl. At ICG, he led national sales efforts in 30 markets with CLEC and VOIP services. Prior to ICG, he was the President for South Region with XO Communications based in Nashville, TN. Peter held the position of SVP National Sales Operations for WinStar Communications where he built the first 35 markets nationally for the fixed Wireless CLEC. Before WindStar, he was the Regional Vice President, New England Region, for MFS Communications managing CLEC field operations in CT, MA, and NY State. He also spent time in the Midwest as the VP of Sales and Marketing for NorLight Communications based in Milwaukee, WI managing direct, indirect, and carrier channels. Prior to that, he managed the SMB markets in Chicago, Indianapolis, and Milwaukee for Sprint Communication as a Regional Director. Peter began his telecom career at MCI in NYC as a National Account representative. 

Peter served as Executive Director on the Business Industry Association of NH for the last 9 years. He was on the Board of Directors for the Cable & Telecommunications Association – New England Chapter, 2011-2015. 

Peter Marsh


Christina West

Senior Partner

Christina West – Global Sales and Business Development Leader

Global sales and business development leader with a strong track record of achieving revenue and profit goals in the software, hardware, and consulting services industries in the USA and EMEA.

Christina’s proven track record of success and promotion is based on her ability to develop organizations, partnerships, and C-level relationships while accelerating growth and exceeding revenue objectives. Her passion for revenue growth extends to innovating the entire revenue generation process and improving collaboration across revenue-related organizations, functions, and partnerships.

Christina has been recognized for her ability to lead teams and build sales organizations from the ground up or expand existing organizations to deliver exceptional results and performance. Her skills include a keen focus on business outcomes and customer success through negotiation while developing influence and executive relationships. 

As a passionate advocate for diverse corporate boards, Christina works with companies and executive leadership to expand strategic efforts around diversity and inclusion at the Board level as a path to improved bottom-line performance. In addition to Board training, she has gained significant perspective and understanding of executive business challenges which provides her with increased access to the C-suite.

Christina West


Stephen J. Ratcliffe

Senior Partner

Senior Technology Advisor – Creating impactful business innovation solutions with technology thought leadership

Stephen has over 25 years experience in Communications and Technology Consulting coupled with a unique skill set of being able to bridge legacy equipment and process investments with modern cutting edge technologies that catapult organizations forward to remain competitive. Highly skilled at assessing technology solutions to solve daily business challenges and creating impactful business innovation solutions through technology thought leadership. 

Seasoned management professional skilled in influencing, leading and inspiring teams of Architects, Consultants, client leadership and strategic vendors to seamlessly implement technology driven business solutions with minimal disruption to normal business process. Comfortable navigating complex dynamics of personnel to drive predictable outcomes of projects within budget and time constraints using a variety of deployment management methodologies. Ability and awareness to seek out new Business development opportunities and partnerships across teams, organizational structures, vendor eco systems and diverse corporate segments to align vision and initiatives to positive business outcomes.

Diverse people skillset and adept at negotiation and management of vendors and products to achieve fiscally responsible procurement contracts. Comfortable with managing budgets and initiatives in a pragmatic fashion to ensure objectives are met and IT spend is achieving measurable goals. This includes evaluation and/or renegotiation of existing contracts and operational expenses to maintain existing service levels or higher at the lowest possible cost.

Professional skills include Leadership, inspiring teams, relationship building, decision influencing, Sales acumen, strategic partnerships, business goal alignment, fiscal consciousness in procurement, negotiation skills, mentorship

Core technical skills include Cloud computing and services, Microsoft Technologies, Core Infrastructure, Security & compliance, Unified Communications, Contact Center , LAN/WAN Networking Solutions, Collaboration Platforms, Corporate Wireless and BYOD management.

Polished Public speaking and presentation skills.

Stephen J Ratcliffe


Constantine (Dean) Gartelos

Senior Partner

Dean Gartelos leads OTG’s Government Operations with more than 20 years of experience pricing, negotiating, and leading teams through complex procurements and programs particularly with Federal, State, and Municipal Governments. As a member of the OTG Consulting Executive Team, Dean is our point person for Government related opportunities and situations where detailed price strategy or structure are required. His direct approach and attention to detail ensures that our clients receive exceptional consulting support and expertise to efficiently acquire the services needed to serve their customers and enhance their operational capabilities. Dean’s guiding principles are his core values of: 

  • Integrity
  • Loyalty
  • Diligence
  • Reliability
  • Patriotism
  • Service to Others

With a passion for helping people and businesses, Dean is also the Founder and Principal of Western Skies Consulting and Upwards Life. He believes in a ‘work hard, play hard’ approach to business and family. Whether negotiating a complex transaction, advising a client on their IT and Communications purchase, or coaching youth sports, volunteering in his son’s classroom, and playing ice hockey… Dean and his family always find a way to ‘enjoy the ride’.


Skip Lane

Senior Partner

Skip has executive leadership experience as CEO, CRO, EVP of Sales and Marketing, SVP of Channel Sales, in the telecom, CLEC, MSP, UCaaS, CCaaS, SD WAN, and Network service sectors, in the SaaS & Cloud Services space.  

Most recently, he was CRO of a UCaaS, CCaaS, SD WAN, and network services provider and was brought in to rebuild their entire Go-To-Market strategy including recreating their sales and marketing teams. Prior to that he was the SVP of Strategic Channel Sales for Sangoma, a $325 million Nasdaq listed SaaS firm. He has built and turned around several communication companies from startup stage to later stage VC and PE backed firms.  

Skip started and ran Revenue Velocity, his own sales growth consulting practice for 3 years where he assisted hyper growth SaaS and Cloud Service companies build multi-channel sales engines quickly and effectively, achieving superior results.

Also, Skip built a CLEC, Network One, as founder and CEO from scratch to over $40 million in revenues with over 190 team members. The company was on the INC 500 fastest growing companies list 5 years in a row. During his tenure, he completed 5 M&A transactions, raised debt and equity capital, and merged with a larger CLEC to become part of a $110 million National firm. He excels at rapidly growing technology service providers with his experience in building world-class, high-performance sales and marketing teams which significantly increase shareholder value. 

During his career, Skip has completed multiple rounds of VC funding and executed 7 M&A transitions all in the telecom, SaaS, and Cloud Services sectors. 

His extensive experience has been centered around executive leadership positions in achieving rapid revenue and EBITDA growth through building leading world class sales and management teams. 

His consulting experience spans assisting VOIP, network service providers, carriers, MSPs, and IT Service providers save cost, increase efficiency, drive lead generation, develop sales processes and procedures, and building and managing channel programs, while building strong team cultures. 

Outside of work, Skip enjoys traveling and seeing the National Parks, hiking, biking, and spending time with his family and lifelong friends. 

Skip Lane


Chris Doerr


Chris Doerr is an independent consultant specializing in Information Technology Strategy, Process Improvement and Executive Coaching.  His consulting centers on the power of people, and possibility of achieving “and” instead of the limitations of “or”.  Chris joined OTG because he saw the possibility of bringing greater outcomes to his customers.

Chris is an Information Technology thought leader.   He co-developed an IT Capability Maturity framework that helps CIO’s transform their organizations from chaos to digital disruption.  He’s consulted and facilitated roundtables on Industry 4.0 and has written several articles on IT leadership.

Chris has extensive executive experience, having served in Vice President and Region CIO roles at Karcher North America, an industrial cleaning equipment company, and at Gambro Renal Products, a medical device company.  He gained deep international experience while at Kraft Foods. His roles at Kraft included global IT leadership for manufacturing, procurement and human resources.  He also led Kraft’s IT for Asia Pacific, Latin America, Eastern Europe and Canada.  Chris and his family spent two years living in Belgium when he was the IT leader for Kraft’s Belgium, Netherlands and Luxembourg business.  He’s led teams of more than 200 people and has held $140 million budget responsibility.

Some of Chris’ more notable achievements include co-leading a North American implementation of SAP, co-leading a 36-country implementation of salesforce.com and significantly improving the performance of multiple IT organizations.

Chris is currently a Technology Advisory Committee member for the National Multiple Sclerosis Society.   Prior community involvement includes the Board of Trustees for the Colorado-Wyoming Multiple Sclerosis Society and the Board of Education for Mundelein, IL.


Jim Mueller

Senior Partner

I Help Businesses Optimize Technology Expenses

We’re a vendor neutral technology advisory firm. We provide a no-cost, comprehensive analysis of your telecom, internet access and cloud services that will move your business to the next level of efficiency.  Why would we do this for free? Because if we find out you’re not on the best product or best plan, we have a chance to place your business with one of our dozens of suppliers and if we do just that we get compensated from them…not you! You have nothing to lose and everything to gain.
Jim M Meuller


Ray Zoller

Senior Partner

Ray Zoller is a highly respected IT professional with a proven track record of success. He has been a part of OTG Consulting since 2020. He is the owner of Zoller Consulting LLC, a technology consulting firm. He is also a Microsoft Cloud Solution Provider and a member of the Microsoft Partner Network. 

Ray has over 30 years of experience in the IT industry in diverse industries and specializes in helping clients find their best-fit solutions in cybersecurity, networking, internet connectivity, data center services, cloud voice, unified communications, mobility, and mobility management services.

He has held executive leadership positions at Qwest Communications (now Lumen), Centura Health (now CommonSpirit and Advent), Samsonite Corporation, Encana Oil and Gas (now Ovintiv), and Whiting Petroleum (now Chord Energy). He was also in the broadcasting industry for over 20 years with organizations based in Pittsburgh, Dallas, San Antonio, and Denver.

Ray is a member and former advisory board member of Denver IT Executives and is a former president of the non-profit group Voices4Nigeria. He holds Expert certification in the IT Infrastructure Library and has held Project Management Professional certification since 2003.

Ray Zoller


George Acker

Senior Partner
George Acker is a high-energy and dynamic go-to-market global sales leader with 25 years of experience within IT, IT security, analytics, and cybersecurity.  With a background ranging from hyper-growth start-up through enterprise execution he brings significant consultative experience with clients of various markets and sizes to his contribution at OTG.   George will primarily work within IT security and cybersecurity practice for OTG.  He will also focus upon helping to mentor and train OTG Partners within these areas.  Prior to OTG George served as North America and EU VP of Sales, and subsequently VP of Alliances and MSSP Partnerships for Votiro, a cybersecurity company.  Prior to Votiro, George was SVP of Sales and Strategic Development at Bluedane, a cybersecurity focused insuretech firm he helped take from launch to exit.  Previous experiences include Head of Commercial and Channel Sales at threat intelligence solution provider Bandura Cyber, Head of Sales Consulting & Staffing at Jump Human Capital, and VP of Enterprise Sales at MegaPath, where his team focused upon enterprise IT network and security solutions coupled with VoIP services. George lives in coastal North Carolina.  In his personal time George enjoys activities with family, engages in scholastic sports coaching, adult literacy instruction, dog rescue volunteer work, and writing.  He also works with a regional non-profit to combat child/student food insecurity. 
George Acker


John Baumgarten

Senior Partner

John Baumgarten has enjoyed over 30 years of successful experience in the Information Technology space with over 12 years holding Sales and Senior Sales Management roles in the Telecommunications industry at ICG Communications and Level (3) Communications/CenturyLink/Lumen. John has led multiple award winning sales teams in exceeding sales and revenue targets. John was also responsible for successfully developing numerous medical, chief research and higher education accounts including Colorado Hospital Association, CH2M Hill (Jacobs Engineering Group), UCAR/NCAR, University of Colorado, NREL, Colorado State University, University of Utah, and The University of Oregon.

Mr. Baumgarten currently serves as a Senior Partner and Executive Team Member at OTG Consulting and joined  OTG in July of 2020. John’s focus at OTG Consulting  is providing value by helping clients solve complex IT needs through next-generation technology solutions such as Cloud, UCaaS, SD-Wan, Video Conferencing, Voice Solutions, Security, Disaster Recovery, Contact Center Solutions, AI, IoT and many other technologies.
John is also currently CEO at Corbyn Group Consulting LLC.  Corbyn Group provides business consulting and technical expertise to healthcare corporations, global hedge funds, private equity firms, institutional investors, asset managers and venture capital groups.
Prior to joining OTG Consulting John served for close to three years as Vice President for Strategic Alliances and Market Development with Air Methods Corporation. Working directly with Air Methods President/COO John was responsible for developing growth strategies focused on driving expansion of new and existing air medical transportation base business.
During his tenure at Air Methods John Launched three medical transportation air bases in less than 2 years, significantly increasing EBITDA achievement across greenfield placements and M&A activity.
John also spent time in the Colorado start-up community focused on creating a digital medical tech startup connecting  patients and physicians via telehealth. This enabled primary and specialty care anywhere through a virtual clinic platform with digital patient data within a web browser.
Mr. Baumgarten is currently: 
  • Advisory Board Member with Tech9 a Utah based software development company
  • Board Member of Colorado Healthcare Strategy & Management (CHSM) a Colorado based not-for-profit organization serving the needs of the local healthcare community
  • Past President of  the ThunderRidge High School Grizzly Bear Backer Club a Colorado 501 (3) C Fundraising Organization having raised over $500,000 to support educational/sports activities and fund College Scholarships
John Baumgarten