Mike Wofford
Chairman and CEO
Mike Wofford is a 35 year career executive with extensive domestic and international payment technology expertise. Industries include financial transactions (FDR, ACI, Planet) and broadband/telecom billing (CSG/Kenan/ICMS). Experience includes sales and implementations of large scale payment platforms for bankcards, e-commerce and mobile commerce. Mr. Wofford founded the Planet Group in 1996 and grew the company to 250 employees through a combination of organic growth andcompletion of 11 acquisitions. He founded GTSG in 2009 to develop and promote spontaneous mobile payments for commercial and non-profit enterprises.
Dennis Altbrandt
Chief Financial Officer
Dennis Altbrandt brings a 40 year career in technology-driven growth companies. Extensive experience in private and public companies, including strategic planning, mergers and acquisitions, venture and bank financings, foreign operations, public company reporting and investor relations. Prior roles: Founder/CEO - USA Self Employed, Founder/COO - Real Image Digital, CEO - Voice it Worldwide, Founder/CEO - Sunward Technologies, Partner - Avalon Ventures, CFO - Material Sciences, Inc., Group VP/GM - Itel Corp., Group Controller - Fairchild Semiconductor, Manager - Price Waterhouse & Co. CPA, Army officer, BS Syracuse, MBA University of San Francisco.
Bill Coffey
Chief Sales Officer
Bill Coffey is responsible for corporate international business development. He directs large technology solution sales to a variety of foreign markets. Mr. Coffey's international career began with ACI Worldwide, where he was the Director of Sales and Marketing for Latin America, with a focus on large banks, national switches, large retailers and associations in Latin America. He continued his career with Planet Group Inc. until leaving in 2009 to join Global Transaction Services Group. Mr. Coffey is adept at working with global partnering organizations to deliver highly complex projects involving multiple vendors and solutions in international markets. He is also the current general manager of GTSG subsidiary, Custom Applications and Solutions Marketing, a distribution company for technology solutions. He holds degrees in Business and International Business from the University of Nebraska at Lincoln and The American Graduate School of International Management in Arizona.
Teressa Brookshire
Chief Legal Officer
Teressa Brookshire offers more than 33 years of legal contract expertise. In her role, Ms. Brookshire manages every aspect of legal and corporate documentation and compliance. She is also responsible for due diligence of acquisitions, standardization of processes and procedures, disseminating financial data, coordinating budgets and spending, as well as managing a number of other key financial activities. Ms. Brookshire examines performance requirements, delivery schedules, and estimates project costs. She is also responsible for bid review and acceptance making sure all bids conform to contract requirements. Prior to joining GTSG, Ms. Brookshire held senior legal positions at Berkshire Hathaway Inc., ConAgra Inc., The Nielsen Company, America First Companies L.L.C. (n/k/a The Burlington Capital Group LLC), and Planet Group Inc.
Michael Benson
Chief Information Officer
Mike Benson is an IT professional with 40 years of experience in software development, licensing and executive management with extensive expertise in payment systems and business process management. Prior work experience includes President/Board Member – Workpoint Inc., V.P. Enterprise Automation, Insession Division, ACI Worldwide, Founder/CMO – Grapevine Systems, Inc., Director – Financial Systems (BASE24), ACI Worldwide.
Mary Cederberg
Chief Marketing And Development Officer
Mary Cederberg offers more than 25 years of experience in revenue generation and client services. Her strengths include client management, project management, leadership and operations.  Her primary focus is leading the engagement management team to consistently excel in service delivery by seeking to understand the specific needs of each client and the business value they want to attain with a product solution. Prior to joining GTSG, Ms. Cederberg held senior positions at Bellevue University, Douglas County, Tandem Computers and Federal Home Loan Bank.