Leadership
Charles T. Foskett
President and Chief Executive Officer
RailRunner®'s President and CEO is Charles Foskett, an Arlington, Massachusetts resident who has over 30 years experience in founding and managing successful start-ups. As co-founder in 1970, and later for nine years as President of Digilab Inc, Mr. Foskett built and expanded this developer of analytic instrumentation into a worldwide business. In 1983 Mr. Foskett co-founded and was CEO of Natural MicroSystems, a telecommunications equipment company, which became a publicly listed NASDAQ company (NMSS) in 1995 with worldwide operations in over 12 countries.
Mr. Foskett, who holds a B.S. and an M.S. in Physics, also serves on the boards of private high-tech companies in the New England area and invests in and advises emerging businesses. Mr. Foskett has been an elected Town Meeting member in Arlington, Massachusetts for 25 years, and is chairman of Arlington's Capital Planning Committee and vice-chairman of its Finance Committee. Mr. Foskett has also served as President and on the Board of the Massachusetts Association of Town Finance Committees.
Wolfgang Graaff
Chief Engineer, Global Strategy
Mr. Graaff, a German native, spent more than 25 years in the rail car, trailer, and container manufacturing industry in his home country before moving to the United States in early 1998. Mr. Graaff holds two M.S. degrees, in Mechanical Engineering and Business Administration, from the Technical University in Berlin and has served in various organizations, including as Chairman of the Committee for Transport of the FDP in Germany, President of the European Container Manufacturers Committee, member in the Advisory Council of the Manufacturers Group "Trailers" in the VDA, Transport Committee of the BDI, Board of Directors of the VDB in Germany. He has held over 30 patents throughout his career. Graaff GmbH grew from $80 million to over $250 million company while he served successively as general manager and CEO. In his latter responsibility, he licensed various products and technologies of his company and built manufacturing plants in the US (3), S. Korea, India and China (2). Since living in the United States, he was Vice President of Operations and Engineering for Trailmobile Trailer LLC of Northbrook, IL. and CEO of Contrail International, Inc. a transport equipment consulting firm located in Chicago.
Tel + 49.5121.174-8352
wolfgang.graaff@railrunner.com
Dan Renzella
Chief Financial Officer
Mr. Renzella has more than 20 years of experience in financial and operational leadership positions. He was most recently Senior Vice President and Chief Financial Officer for Azure Dynamics Corporation, a publicly traded company located in Oak Park, Michigan. Azure is a world leader in the development and production of hybrid electric and electric components and powertrain systems for commercial vehicles. Prior to that, he was Chief Financial Officer and Vice President of Operations at Solectria Corporation, a privately held company in Woburn, Massachusetts. Solectria was a leader in the development and production of alternative energy components, systems and vehicles for various commercial markets. He holds an M.B.A. in Finance from Bentley College and a B.A. in Economics from Brandeis University.
Bo Leslie
Chief Commercial Officer
Mr. Leslie has over 30 years of transportation experience in both sales and operations. Prior to joining RailRunner, Mr. Leslie served as Executive Vice President of Quality Distribution, the largest bulk transportation company in North American and was instrumental in their successful public offering in 2003. Mr. Leslie served as Vice President of Triple Crown Services, a leading provider of bi-modal transportation, before joining Quality Distribution. Mr. Leslie began his career with Roadway Express where he held numerous positions in both sales and operations.
Matthew Whiten
Controller and Compliance Officer
Mr. Whiten has broad expertise in general management consulting and auditing functions for both large and small corporations, public and private. His early career focused on various revenue and financial analyst positions for a Fortune 500 company. His last position prior to joining RailRunner was as an independent auditor for Waste Management, Inc. In parallel, he maintained a residential real estate career in both sales and consulting (ABR, C-CREC) from 1999 - 2005.
He holds an M.B.A. from Boston College and a B.B.A in Management from Georgia Southern University.
Gabriel Sibert
Manager of Field Operations
Mr. Sibert's 25 years experience in the transportation industry ranges from serving as a Terminal Manager in Atlanta, GA, a manufacturing supervisor of military containers to his current position as Manager of Field Services. Mr. Sibert has been with RailRunner since its inception and supervised production of the first bogie prototype receiving AAR certification.






