Colorado Chapter Staff & Board of Directors

We will be happy to connect with you and get to know you, no matter if you have a specific request or would just like to network!


Samantha Seems

Executive Director

Contact me for membership and general requests.

Zane Kaugare

Senior Project Manager

Contact me for the Denver Christkindlmarket and cultural projects.

Grace Deibert

Project Assistant

Maureen Massidda

Office Coordinator

Officers of the Board

Barbara Wittmann

President, GACC-CO
CEO, IT Zeitgeist

Paul Maricle

Vice President
Lantz Law Group

Gregor Vogrin

Vice President
Syngroup Management Consulting LLC

Samantha Seems

GACC Colorado Chapter

Board Members

Peter Einsle

Dr. Samuel Gage

Industrial Decarbonization Consultant

Tripp Lake

Dickinson Wright

Thomas Mayr

Managing Director

Peter Sehl

Membership & Business Development Committee Chair

Markus Thamm

Culture & Events Committee Chair

Chadwick V.R. Williams

Employing Broker/Owner
Denver Real Estate Professionals


German American Chamber of Commerce - Colorado Chapter
1123 Auraria Parkway, Suite 100
Denver, CO 80204

Social Media


E-mail: info(at)

Phone: +1 (719) 822-2058