Meet the GCS Management

Marc McMenamin, President
Walter Schroeder, CFO
Dr.-ing Heiner Zwahr, Director of Engineering
Mitchell Van Heyningen

 

 

Marc McMenamin, President

Marc McMenamin, President GCSMarc McMenamin is the President of GCS with extensive entrepreneurial experience in the waste management industry. Marc has many years of experience as an executive responsible for the development, recapitalization, refurbishment and successful operation of EFW and other solid waste management facilities. This experience includes overseeing the take-over and turn-around of troubled EFW facilities and gaining regulatory approvals for the treatment and disposal of special industrial waste streams. More significantly, Marc has the unique experience as an owner and operator of a EFW facility.  This experience provided a platform for him to build a successful Waste Management Company and enjoy a successful IPO. Other relevant business experience includes vertically integrating his Waste Management Company to include manufacturing, recycling, transportation, and TSD facilities. Marc obtained a Chief Facility Operator License for a Resource Recovery facility in 1996 from ASME and earned a BBA degree from Hofstra University in 1984.

 

 

 

 

Walter (Chip) Schroeder, Executive Vice-President.

Walter (Chip) Schroeder, Chief Financial Officer, GCSChip has a 30-year background in energy finance.  He was an officer of MidCon Corp, a major energy and natural gas pipeline based in Chicago, until it was acquired in 1986 by Occidental Petroleum.  He then worked for Goldman Sachs & Co in corporate finance until 1991, when he joined the AES Corporation, a leading global independent power developer.  Mr. Schroeder founded Proton Energy Systems, a developer and manufacturer of advanced hydrogen and fuel cell systems, and led the successful public offering of that company in 2000.  He holds both undergraduate and masters’ degrees from the Massachusetts Institute of Technology.

 

 

Dr.-ing. Heiner Zwahr, Director of Engineering

Dr.-Ing. Heiner Zwahr is an expert in Cogeneration Advanced Thermal Recycling facilities. He received his degree in Mechanical Engineering and PhD from the University in Hannover, Germany followed by studies at Helmut Schmidt University (formerly Bundeswehr (Military) University) in Hamburg, Germany. Dr. Zwahr has extensive knowledge and experience in the areas of power plant engineering and design, as well as district heating. Since 1979, Dr. Zwahr has been working for the Hamburg Electricity Works AG (HEW). In 1989, he was in charge of the planning, building, and operations of Waste Treatment Facility Borsigstrasse (MVB). In 1994, Dr. Zwahr applied the experience he gained while working at MVB, to build the Thermal Recycling® Facility Rugenberger Damm (MVR). He served as the Managing Director of this "State of the Art" facility until 2006. He is a consulting engineer to GCS.

 

 

Mitchell Van Heyningen, Head of Business Development for the Caribbean, Central, and South America

Mitchell Van Heyningen, Head of Business Development for the Caribbean, Central, and South America, has extensive project development and project management experience for over a decade. Mitchell's professional track record encompasses all facets of project development within both the public and private sector - including identifying strategic partners to maximize project opportunities in markets that are viable for WTE development.. Mitchell's ability to cultivate valuable relationships is a key underpinning to his successful track record and thus enables him to tactfully navigate various political environments. His background in project management allows him to leverage his experience from cost monitoring, budgeting, and risk allocation techniques to insure project success during a full cycle turn key project development process.