People

CAT Alliance Ltd. draws upon our local resources of more than 10,000 professionals in more than 50 countries. These local resources are connected and coordinated through a group of CAT Alliance Ltd. Senior Project Managers, who each have the experience leading complex projects for global clients. The Senior Project Manager corps meets regularly to coordinate efforts and promote continuous process improvement, allowing them to serve as efficient and effective managers and single points of contact for clients.

Senior Project Managers

Michael Berman, PE, CHMM, is a principal engineer, based in the Washington, D.C. area in the United States. He brings 20 years of experience in the consulting field with a focus on environmental…
Robert is a Principal Engineer based in Malaysia with nearly 30 years of experience in planning, feasibility studies, investigation and technical studies, litigation and claims support, and preparation and implementation of work plans…
Yuval Cohen is a project financial and economic advisor with over 29 years of experience in built infrastructure, having worked throughout North, Central, and South America, Central Europe, Australia and the Middle East.…
Gary Grantham, BSc, CIWEM, CIWM is a principal consultant based in the United Kingdom. He brings 30 years of experience in environmental consulting with a focus on environmental liability assessment and management. He…
Birgit Højstrup, MSc, Environmental Biology, is a highly experienced principal consultant, based in Copenhagen, Denmark. She brings almost 30 years of experience in the environmental consulting field with a focus on environmental liability…
Educated as a geologist at the Technical University of Aachen, Germany, Sebastian Katsch is a senior project manager and consultant with more than 16 years of experience with expertise in Environmental, Health, and…
Joëlle Marais, a French National, holds a French diploma of chemistry and a BEng environmental engineering degree from Cardiff University (UK). After working for several environmental consultancies in the UK for nine years,…
Hans Nieuwenhuis, MSc, is a senior consultant, based in the Netherlands. He brings over 25 years of experience in the environmental consulting field with a focus on environmental due diligence, sustainability, and Environmental,…
Asger Vestergaard holds a MSc and has 20 years of experience working with Due Diligence, contaminated soil, sediments and groundwater, in- and ex-situ remediation, marine environmental impact assessments, dredging, aquatic and marine ecology.…
Søren Viegand is M.Sc. in Environmental Engineering with more than 25 years of experience in environmental engineering, environmental due diligence services, investigation and remediation of contaminated sites, hydrogeology and water supply. His experience…
Dr. Peter Young, BSc (hons), CChem, CIWEM, CIWM is a principal consultant based in the United Kingdom. He brings 34 years of experience in the environmental consulting field with a focus on environmental…
Ron Arcuri, P.G., is a senior consultant based in Pittsburgh, Pennsylvania in the United States. He brings 20 years of experience in the consulting field with a focus on helping clients to identify…
Des Kelly, MSc FGS, is a Principal Consultant for Geosyntec Consultants in the UK with more than 23 years of experience in environmental liability assessment and management, working for industrial clients, developers, lawyers…

About Us

CAT Alliance Ltd. is an international business consultancy, supporting global transactions and other corporate assessments of environmental, engineering, and other risks services from Europe, the Americas, and Asia. Meeting the challenges of business in the current financial climate requires a responsive and technically grounded approach focused on the needs of your organization.

Contact Information

The following individuals represent the CAT Alliance Ltd. Management Group.  Please contact any one of them for more information about your project:

Mike Berman
1220 19th Street
Suite 210
Washington, DC 20036
USA
+1 202 370 4348
mberman@geosyntec-cat.com

Sebastian Katsch
Richard-Löchel-Straße 9
47441 Moers
Germany
+49 (28) 41 14 90 21
sebastian.katsch@tauw.de

Des Kelly
Bevis Marks House
24 Bevis Marks
London EC3A 7JB
United Kingdom
+44 0203 725 8128
des.kelly@geosyntec.com

Søren Viegand
Parallelvej 2
DK-2800 Kongens Lyngby
Denmark
+45 56 40 22 69
sv@cowi.dk