Board of Directors

George Arisonfounded Shift Platform, Inc., in December 2013, and served as Chief Executive Officer of Shift Technologies, Inc., until August 2022. He currently serves as CEO of Grindr, Inc. (NYSE: GRND), the world’s largest social network and dating application for LGBTQ+ community
George is passionate about building companies and technology products because they allow him to prove out his strongly held view that impossible things are actually possible. In addition to Shift, George co-founded Taxi Magic (now known as Curb), which invented the use of mobile devices for on-demand services. He is an investor and mentor to numerous startups and founders, including Zero, Shipper, Carrot, TravelBank, Eden, Fathom, and Pulsar AI. He has twice been named to Goldman Sachs’ 100 Most Intriguing Entrepreneurs, and has worked at Google and the Boston Consulting Group (BCG).
Born in Georgia, a republic in the Soviet Union, at the height of Communism, George came to the United States on his own in 1992, fortunate to receive a scholarship to attend a prep school in Maine. Afterwards, he studied political philosophy at Middlebury College. In addition to entrepreneurship, George has a deep interest in politics and policy-making. He has started a think tank and ran a political campaign in his native Georgia, and authored a book about Georgia’s democratic transition. George lives in Palo Alto with his husband and their children.

Toby Russell co-founded Shift with a passion for building companies that leverage user-centered technology to respond to consumers’ needs. A seasoned startup founder, he co-founded pioneering ride-hailing app Taxi Magic (now known as Curb) in 2007, which invented the use of native mobile applications for on-demand services in one of the first and most popular travel applications in the iPhone ecosystem. As Managing Vice President at Capital One, he led a digital transformation across the company and the industry, including developing new technology to enable retail mobile payments and creating a completely new consumer mobile and desktop banking experience. And during his tenure as Project Leader at the Boston Consulting Group (BCG), he set strategic direction for the world’s leading companies.
In addition to his work in the private sector, Russell has spent time in public service, leading a $12 billion renewable energy and efficiency investment program for the U.S. Department of Energy, one of the largest CleanTech deployment programs in the nation’s history. He also served as the Director of Research on U.S. Senator James Jeffords’ re-election campaign in 2000. Fluent in Russian and Spanish, he holds a Doctorate in International Relations from the University of Oxford, as well as a BA in Political Science, Russian and Economics from Middlebury College. He is the proud father of two girls and enjoys surfing in California, where he lives.




Kimberly H. Sheehy currently serves as an independent board member and chair of the respective board audit committees at CVB Financial Corp., Shift (formerly Carlotz) and Evolv Technologies. Ms. Sheehy served as a member of the Board of Directors and Chair of the Audit Committee for Switch Inc., a public high growth technology infrastructure company, from December of 2017 until December of 2022. Ms. Sheehy is a seasoned financial executive with more than 30 years of successful experience across the telecommunications, technology, SaaS, data center, software development and REIT industries. Throughout her distinguished career as an executive, she held senior leadership positions, including the position of CFO at StackPath from 2015 to 2017, and the position of CFO at CyrusOne from 2012 to 2015, and she worked for 16 years with integrated communications provider Cincinnati Bell, where she rose to the position of Vice-President of Finance, Investor Relations and Treasurer from 2007 to 2012. She began her career as a Senior Staff Auditor and Tax Manager with Ernst & Young. She holds a B.S. in Accounting from the University of Cincinnati and is a Certified Public Accountant. In 2013, she was named CFO of the Year by the Dallas Business Journal.

Luis Ignacio Solorzano is a Partner and Chief Executive Officer of Acamar Partners, an investment management firm that in 2019 raised a $305 million NASDAQ-listed SPAC through Acamar Partners Acquisition Corp and which subsequently merged with CarLotz Inc. Mr. Solorzano has more than 20 years of investment experience across various sectors and geographies. Mr. Solorzano has served on the boards of various public and private companies, including CarLotz, Dufry, Grupo Aeroportuario del Centro Norte, Aerodom, InverCap Holdings and Viakem.
Mr. Solorzano began his career with BankBoston Capital, where he spent 4 years making private equity investments and corporate loans across Latin America. In 2001, Mr.Solorzano joined Advent International becoming a Partner and Managing Director in 2008. He served as Chairman of the Latin America’s Investment Committee and during his tenure at Advent, Mr. Solorzano participated in various investments and management activities encompassing various of Advent’s private equity funds. He was a key executive involved in the raising of three funds for a cumulative c. $5 billion, and he played a leading role in 15 investment transactions in various sectors, including retail and consumer, financial services, industrials, information technology and infrastructure. Mr Solorzano also played a significant role in supporting portfolio companies in the design and implementation of various strategic, operating and financial value creation initiatives.
Mr.Solorzano’s investment experience covers both the Americas and Europe. One of these investments was Advent’s acquisition of a majority stake in Dufry. Mr. Solorzano co-led this transaction and played a significant role in the execution of Dufry’s operating plan, Dufry’s IPO process, and the negotiation, execution and integration of several add-on acquisitions made by Dufry in various geographies. Mr. Solorzano graduated with a degree in Economics (cum laude) from the Instituto Tecnologico Autonomo de Mexico (ITAM) and an MBA from Harvard Business School.

James E. Skinner was the Vice Chairman of Neiman Marcus Group (NMG), a $4 billion luxury fashion retailer, until his retirement in 2016. Jim had also served as Chief Operating Officer and Chief Financial Officer for NMG between 2010 and 2015. During his 15 years with NMG, Jim has had responsibilities for numerous areas including: finance, accounting, strategy, business development, distribution and logistics, real estate and construction, investor relations, legal, and information technology.
Prior to NMG, Jim was with CompUSA, a $6 billion pioneer in computer retailing. Jim held various positions at CompUSA, including executive vice president and chief financial officer. Jim joined CompUSA shortly before the initial public offering and left after the sale of the company in 2000. Jim began his career with EY, an international professional services firm, where he served for sixteen years, including the last four years as a partner.
Jim is a Certified Public Accountant, licensed in Texas.
Jim also serves on the Board of Directors of Ares Commercial Real Estate (NYSE: ACRE). Jim has previously served on the board of Fossil Group (NASDAQ: FOSL), and Acamar Partners (NASDAQ: ACAM). Jim has experience serving as Chairman of Audit, Compensation, Finance, and Governance/Nominations Committees Jim is also on the Advisory Board of RevTech, an incubator/accelerator focused on retail technology.