Caroline Raynaud

Caroline Raynaud

Executive Director – CEO

Caroline Raynaud is GABA’s President and General Manager since April 2005. Caroline has been working in international sales and business development for over 10 years. She grew up in Germany and finished her graduate studies in the United States at University of Illinois. Then she spent 5 years in Paris and worked as a European Key Account Manager for Computer Intelligence. Being perfectly fluent in German, French and English, she was responsible for the company’s major clients across Europe. In 1999, Caroline moved from Paris to California and started with Market Research leader IDC (International Data Corporation) being in charge of International Business Development. She consulted US based companies that wanted to expand to Europe and Asia. Later on, she took on the role as Sales Manager for IDC’s Enterprise Major Accounts group.Caroline received her education in business from University of Technology in Berlin and University of Illinois in Urbana/Champaign.

Yvonne Dietrich


Event Director

Yvonne Dietrich joins GABA as the new Event Director in September 2015. Yvonne has worked as in the past with various Non-Profit Organizations as well as a Contracts Coordinator in the video gaming industry. She grew up in Germany and has been living with her husband and family around the Bay Area and Michigan since 1999. At GABA she will focus on organizing various GABA events.

Cotta Nestler-Ginader

Social Media Manager

Cotta Nestler-Ginader joined the GABA team as their newly created Social Media Manager in October 2016.

Shortly after receiving her second law degree from Johannes Gutenberg University Mainz in Germany, Cotta encouraged her husband to follow his professional dreams and followed him first to London, UK and in 2009 to California. Ever since arriving in the Bay Area, she has been volunteering with GABA.

In her new role as Social Media Manager she focuses on growing and strengthening GABA’s Social Media presence and online PR.

Sandra Schmid

Sandra Schmid

Newsletter Editor

Sandra Schmid joined GABA as Event Director in Juli 2012. Her professional background centers around project and account management and she has worked in import/export as well as fulfillment for the high tech industry. Sandra holds a BS in International Business from Menlo College. She grew up in Germany but has lived in the Bay area since 1990. At GABA she focuses on preparation and organization of the GABA events as well as member relations.

Yvonne Schwab

Business Development Director

Yvonne Schwab joined GABA as their Business Development Director in September 2016. She holds a BS in Business Management/Small Business & Entrepreneurship from Colorado State University. Yvonne’s professional background focuses on event planning, marketing, and account management. In Silicon Valley, she gained experience working within an incubator, where she put on tech events as well as advised startups on how to pitch and present.

Yvonne, a native German, has lived in the Bay Area for 15 years. In her position at GABA, she emphasizes on expanding opportunities for companies and organizations seeking visibility in the German-American business community of the Bay Area.

Claudia Tedesco

Marketing Manager

Claudia Tedesco joined GABA as Marketing Manager in March 2018.

She holds an MBA from the University of Duisburg-Essen, Germany with a major in Marketing and a minor in Economics and Finance. Claudia’s professional background includes working for Redken, a L’Oréal subsidiary as Global Marketing Manager, launching new product initiatives and supporting Redken worldwide affiliates in adapting the Global Marketing concept to their specific market needs. She also worked for the Wella Corporation as Assistant Brand Manager, assisting in planning and executing strategic hair color launches.

Claudia was born and raised in Germany and moved to New York City 22 years ago. She relocated to the Bay Area 17 years ago. She has US/German dual citizenship.

In her position at GABA, Claudia will focus on Marketing and Communication strategy, increasing GABA’s outreach and awareness as well as manage the membership database and assist in preparation, marketing and follow up of events.

Martina Walther

Martina Walther


Martina Walther is GABA’s webmaster since April 2005. She is doing contracting work in web design and programming and teaches computer classes. Martina also volunteers on the board and as webmaster at the American Women’s Club of Düsseldorf.

Martina holds a Master’s Degree in Computer Science from the University of Technology in Munich, Germany. She grew up in Munich, lived in the Bay Area for 7 years and relocated to Düsseldorf, Germany, in January 2008.