Past Team Members

Margarita Quihuis

Chairman, Hispanic-Net, Director, Stanford Peace Innovation Lab


MargaritaA social entrepreneur and mentor capitalist, Margarita Quihuis’s career has focused on innovation, technology incubation, access to capital and entrepreneurship.

She is the chairman of Hispanic-Net, a non-profit organization where Hispanic entrepreneurs, executives, innovators and investors come together to create market leading companies. She is a researcher at the Stanford Persuasive Technology Lab and director of the Stanford Peace Innovation Lab which creates insights into how technology can be designed to inspire people and create a better society.

In 2004, Women’s eNews named her as one of their ’21 Leaders for the 21st Century’ and was one of WITI’s Women to Watch in 2003. In 2007 she was named ‘One of The 100 Most Influential Latinos in Silicon Valley.’ In 2010 she received the Maestro Award for Latina Leadership from Latino Leaders Magazine.

Graciela Tiscareño-Sato

Author, Latinnovating: Green American Jobs and the Latinos Creating Them & Founder, Gracefully Global Group


GraciellaGraciela Tiscareño-Sato is the author of the first book at the intersection of the green American economy and Latino leadership and innovation. Latinnovating: Green American Jobs and the Latinos Creating Them received congressional recognition seven months ahead of its publication date.

Graciela is the Founder of Gracefully Global Group, a unified communications and marketing excellence firm serving the medium to large global enterprise. Prior to this, Tiscareño-Sato orchestrated various product marketing campaigns and led the Green Enterprise Initiative at a Munich-headquartered communications company. There she helped global enterprises understand the economic and sustainability benefits of collaboration technologies. She has published extensively in the U.S. and European trade media, including Environmental Leader, the National Society of Hispanic MBA’s magazine Hispanic MBA, Communications News, Enterprise Technology Management and many others. She’s an active mentor to Latino youth. Her business expertise includes collaboration technologies to improve team processes and a deep marketing and PR skill set.

Tiscareño-Sato was honored by LATINA Style Magazine as the San Francisco Bay Area “Entrepreneur of the Year” in 2010. Graciela earned her B.A. from the University of California at Berkeley. She completed her master’s degree in International Management at Whitworth College in Spokane, Washington while serving as an instructor navigator on active duty with the United States Air Force. Graciela lives in the East Bay with her family.

Stephanie Vanegas

StephanieStephanie graduated from Santa Clara University with a B.A. in marketing and a double minor in international business and Spanish. She is the founder of Sigma Omega Nu, a Latina-based sorority that established an annual scholarship for at-risk high school students.

Stephanie currently works at a public relations firm in San Francisco, providing writing, research and editing support to clients whose work ranges from education related issues to promoting environmental sustainability.

Prior to joining Spitfire, Stephanie worked at a green tech startup company translating complex product and marketing concepts into
comprehensive verbal and written messaging strategies. As an intern with Catholic Charities of Santa Clara County, she did marketing to support Step-Up Silicon Valley – a community campaign to reduce poverty.

Stephanie is an avid traveler, Bay Area sports fan and book lover.

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