About Us

Marc Ganzi is a successful real estate and telecommunications entrepreneur. In addition to serving as Vice Chairman of Vertical Bridge, he is Chief Executive Officer of DigitalBridge (NYSE: DBRG), a leading global alternative asset manager dedicated to investing in digital infrastructure. He previously co-founded Global Tower Partners (GTP), an owner and operator of communications, real estate and related companies, where he played an instrumental role in building the business, which was ultimately sold in 2013 for over $4.8 billion.

Prior to GTP, Mr. Ganzi was a consulting partner at Deutsche Bank’s DB Capital Partners overseeing the institution’s radio tower sector investments in Latin and North America. His other earlier experience includes Apex Site Management and the U.S. Department of Commerce’s Foreign Commercial Service Department.

Mr. Ganzi is a member of Young Presidents’ Organization and the Broadband Deployment Advisory Committee of the Federal Communications Commission. He is a graduate of Wharton School of Business at the University of Pennsylvania.

Alex Gellman is the Executive Chairman and Co-Founder of Vertical Bridge, the largest private owner and operator of wireless communications infrastructure in the U.S.

Mr. Gellman is also a Senior Advisor and Co-Founder of DigitalBridge (NYSE: DBRG), a leading global alternative asset manager dedicated to investing in digital infrastructure.

He currently serves as Chairman of the Board of Directors of the Wireless Infrastructure Association, and on the Boards of EdgePoint Infrastructure and Highline do Brasil, leading private tower companies serving Southeast Asia and Latin America, respectively.

Prior to co-founding Vertical Bridge, Mr. Gellman was President and COO of Global Tower Partners and was instrumental in growing the company into the largest privately-held tower company in the U.S. at the time of its sale to American Tower Corporation in 2013. Previously, Mr. Gellman served as President and COO of Sonitrol Corporation, a leading provider of verified electronic security solutions in North America, which sold to Stanley Works (NYSE: SWK) in 2008.

Earlier in his career, Mr. Gellman co-founded Apex Site Management, the largest third-party manager of wireless and wireline communications sites in the U.S., which merged with SpectraSite Communications in 2000 to create the largest telecommunications site portfolio in the country. He also co-founded and served as VP of Development of Horizon Cellular Group, a McCaw Cellular-backed company that acquired, developed and operated rural cellular franchises across the eastern U.S.

For his decades of service to the wireless industry, Mr. Gellman was named as a 2023 inductee into the Wireless History Foundation’s Wireless Hall of Fame.

Mr. Gellman is a graduate of The Wharton School of Business with a Master of Business Administration degree in Finance and Accounting and holds a Bachelor of Science in Biology from Tufts University.

Ronald G. Bizick, II is President and Chief Executive Officer of Vertical Bridge. He has more than 30 years of telecommunications industry experience and oversees the firm’s day-to-day operations, as well as overall strategy and growth initiatives.

Prior to joining Vertical Bridge, Mr. Bizick co-founded and served as CEO of Tarpon Towers, LLC, which develops, acquires, and manages wireless communication sites throughout the United States. Earlier in his career, he served as Executive Vice President and Chief Operating Officer of Global Signal, Inc., a former NYSE-listed company. During his tenure at Global Signal, the company completed a successful IPO, acquired nearly $2 billion in tower assets, raised over $2.2 billion in mortgage-backed securitizations, and tripled its portfolio from 3,500 to over 11,000 owned and managed communication sites. Prior to Global Signal, Mr. Bizick was Executive Vice President and Chief Operating Officer of SBA Communications, a NASDAQ company, helping grow it from a start-up to a nationwide public company.

He received his BA in Business and Communication from the University of Pittsburgh and completed executive education programs at The Wharton School and Harvard Business School.

Mike Romaniw is the Chief Financial Officer of Vertical Bridge. He is responsible for all financial aspects of the company including accounting, finance, tax, treasury, budgeting, forecasting, and investor relations.

Prior to joining Vertical Bridge, Mr. Romaniw was Chief Financial Officer of the Sterling Organization, Senior Vice President of Finance for Parmenter Realty Partners, and held various tax and financial management roles at the AES Corporation. Mr. Romaniw started his career with Ernst & Young and has Master of Business Administration and Master of Taxation degrees from Canisius College, a BA from McMaster University, and is a Certified Public Accountant.

Michael Belski is the Co-Founder and Executive Vice President of Sales and Marketing of Vertical Bridge. He is responsible for creating deep relationships with clients, working with some of the country’s largest carriers to develop leasing contracts.

Prior to co-founding Vertical Bridge, Mr. Belski was the Senior Vice President of Leasing & Marketing at Global Tower Partners (GTP), where he was responsible for leasing and marketing the company’s portfolio of assets and securing build-to-suit contracts.

Mr. Belski previously held senior positions at Morrison Hershfield Corporation and SBA Communications Corporation.

Dale Carey is the Executive Vice President of Strategy and Convergence at Vertical Bridge. Mr. Carey is responsible for identifying new convergence opportunities across the digital infrastructure ecosystem and coordinating with other providers, particularly those within the Digital Colony portfolio, to bring new infrastructure offerings to our customers.

Prior to joining Vertical Bridge, Mr. Carey was Founder, Chairman and CEO of Eco-Site, a leading developer of wireless communication, tower sites and infrastructure. As CEO of Eco-Site, Mr. Carey led the firm from its inception to become the sixth largest privately held tower company in the U.S., with 700 towers across 38 states. Prior to Eco-Site, Mr. Carey was President and COO of Shared Access, a wireless tower operator in the U.K. and Ireland. He also served as President of SpectraSite Communications’ U.S. Wireless division, which encompassed 8,000 towers and 20,000 rooftops, and was also President of its Building division, where he pioneered the firm’s use of the neutral-host distributed antenna system model. Earlier in his career, Mr. Carey spent 11 years at AT&T/Vanguard Cellular Systems, most recently serving as Vice President for the mid-Atlantic region.

Mr. Carey holds a Bachelor of Arts from Temple University. He serves on the Board of Advisors at the J.D. Brown Center for Entrepreneurship at York College.

Johnny Crawford is the Executive Vice President of Tower Development at Vertical Bridge. He is responsible for overseeing all sales and delivery of build-to-suit opportunities for the company.

Prior to joining Vertical Bridge, Mr. Crawford was Vice President of Business Development, Network Services at SBA Communications Corporation where he was responsible for sales to SBA’s national customers. Additionally, he has served as Vice President of Engineering and Operations for Airgate PCS, a Sprint PCS affiliate and as Director of Engineering and Operations for Sprint, where he launched one of the first PCS markets. Mr. Crawford was also a co-owner of Optima Towers, a South Carolina-based regional tower owner.

Mr. Crawford was recently appointed as a Board Member for Music-Movement.Org, a 501(c) 3 nonprofit organization that develops and funds music-centric programs for children and young adults living with autism.

Bob Glosson is the Executive Vice President of Real Estate and Technology at Vertical Bridge. Mr. Glosson leads Vertical Bridge’s Strategic Assets Group, which is responsible for the acquisition, management and leasing of the firm’s third-party-owned assets including rooftops, billboards, and utility transmission structures.

Previous to Vertical Bridge, Mr. Glosson was the President and Chief Operating Officer of Eco-Site, a leading developer of wireless communication, tower sites and infrastructure. As President and COO of Eco-Site, Mr. Glosson was responsible for nationwide sales, tower development, and operations. Earlier, Mr. Glosson served as Senior Vice President of Global Sales at Bandwidth.com, an enterprise cloud communications company, and as Executive Vice President of Sales and Marketing for Shared Access, a wireless tower operator in the U.K. and Ireland. Prior to Shared Access, Mr. Glosson held increasing roles of responsibility at SpectraSite Communications, including Vice president of Business Development for its Building division and Senior Vice President of Sales and Marketing for the Tower, Rooftop and In-Building division.

Mr. Glosson received a Bachelor of Science from Drexel University and a Master of Business Administration from Temple University.

Dan Marinberg is the Senior Vice President and General Counsel of Vertical Bridge. Mr. Marinberg is responsible for legal, regulatory and government affairs, as well as Secretary to the Board of Directors.

Prior to joining Vertical Bridge, Mr. Marinberg was a partner at top international law firm Greenberg Traurig where his practice focused on real estate including, acquisitions and dispositions of commercial real estate, financings, leasing, development, and joint venture structuring for individual properties and multi-asset portfolios. He also assisted clients with international issues arising from these transactions.

Bob Paige is the Executive Vice President of Mergers and Acquisitions and Corporate Development of Vertical Bridge. Mr. Paige is responsible for all portfolio acquisitions, joint ventures and other strategic transactions.

Prior to joining Vertical Bridge, Mr. Paige was a Principal and Telecom M&A Group Head at Brown Brothers Harriman where he led all assignments for companies in the telecommunications industry with a specific focus on the wireline and wireless sector. He also served as the Managing Director at Falkenberg Capital Corporation where he advised wireline and wireless companies in M&A transactions.

Mr. Paige started his career as a telecom lending executive with Northern Telecom and GE Capital.

Tim Shine is Senior Vice President of Information Technology (IT) at Vertical Bridge. Mr. Shine is responsible for implementing technology-driven solutions across all aspects of Vertical Bridge’s business to deliver more streamlined and efficient processes and solutions for clients. He brings more than 25 years of experience in IT and strategic-technology initiatives to Vertical Bridge.

Prior to joining Vertical Bridge, Mr. Shine served as Vice President of IT at Improving (formerly Innovative Architects). Mr. Shine led Improving’s expansion to South Florida and was responsible for directing IT-focused technology projects across the region. Previously, Mr. Shine served as Vice President of IT at NationsBuilders Insurance Services, where he planned, developed, and led IT initiatives enabling the company to more effectively manage itself. Earlier in his career, Mr. Shine spent 12 years with HomeBanc Mortgage in increasing roles of responsibility, most recently as VP of Application Development.

Mr. Shine holds a Bachelor of Science in Economics from Florida Atlantic University.

Richard Stern is Senior Vice President of Leasing Operations at Vertical Bridge. Mr. Stern oversees the production, drafting and negotiation of all Vertical Bridge’s ground, tower and rooftop leases. He is also responsible for other property rights agreements, including management agreements with third-party real estate owners.  

Before joining the company, Mr. Stern co-founded and served as Executive Vice President and General Counsel of Eco-Site, a privately-owned independent tower company. Previously, he was the chief executive officer of Access to Money. Mr. Stern began his wireless career as general counsel for Apex Site Management before its acquisition by SpectraSite in 2000. There, he held the position of vice president for the building division where he was instrumental in establishing the in-building neutral-host model.  

Mr. Stern graduated from the University of Pennsylvania with a Bachelor of Arts in Economics. He also has a Juris Doctor from The Boston University School of Law and a Master of Laws in Taxation from The New York University School of Law.

Michael Taylor is Senior Vice President of Operations and Engineering for Vertical Bridge. He is responsible for the company’s site operations and leverages his prior carrier experience and long track record as a successful leader to help the firm navigate its continued growth. He brings over 21 years of industry experience to Vertical Bridge.

Prior to joining Vertical Bridge, Mr. Taylor served as Vice President of Critical Infrastructure Procurement and Cost at T-Mobile. As part of the T-Mobile senior team, he was responsible for managing the development, deployment and expansion of the first and largest 5G network in the U.S., including negotiating network deployment agreements with strategic infrastructure and services companies. He also managed T-Mobile’s fiber, small cell, venues and long-haul service portfolios.

Before his tenure at T-Mobile, Mr. Taylor served as the Senior Director of Network Operations at Time Warner Cable, and Vice President of Network Operations at DukeNet Communications.

Mr. Taylor earned his bachelor’s degree from East Tennessee State University.

David Tripp is the Senior Vice President of Human Resources at Vertical Bridge. He brings over 30 years of human resource leadership focused on leveraging innovative human strategies that influence business strategy and deliver results. Mr. Tripp thrives on developing winning teams and partnerships centered on value creation and trust. In his role, he is responsible for the organization’s talent management practices and fostering an engaging work culture, including leadership and learning, total rewards, and diversity and inclusion initiatives.  

Mr. Tripp has worked with large and midsize companies in insurance, communication, customer service, healthcare, financial services, manufacturing, education and athletics. Before joining Vertical Bridge, he was the Head of Human Resources at Sage Dental, a leading dental service organization, and Vision Group Holdings, the world’s leading laser eye surgery company.  

Mr. Tripp received his Bachelor of Science in Management and a Master of Science in Human Resource Development from Clemson University, where he was also a student-athlete.