ABOUT US

Greenstein, Rogoff, Olsen & Co., LLP is a full-service Certified Public Accounting firm located in the Silicon Valley region of the San Francisco Bay Area. It has been consistently ranked as one of the top family office tax, strategy and advisory firms in the San Francisco Bay Area. Founded by Morey Greenstein, the practice has grown into a premier regional family office tax, strategy and advisory firm with offices in Fremont and Palo Alto. GROCO® provides strategic family office tax, strategy and advisory, financial, wealth preservation, business valuation, planning and consulting services to high net worth individuals, closely-held businesses and individuals expecting significant liquidity events. Specific expertise includes delivering these services to Venture Capital partners and individuals associated with family offices. Many named partners in the largest VC firms are long-time clients of GROCO.

OUR MANAGEMENT TEAM

GROCO Receives Recognition From Fremont Education Foundation

MANAGING PARTNER

ALAN OLSEN, CPA, MBA (TAX)

Alan Olsen, CPA, MBA (tax) is managing partner at Greenstein, Rogoff, Olsen & Co., LLP (GROCO), and Host of the American Dreams Show KDOW 1220AM. GROCO is a leading tax and family office CPA firm located in the San Francisco Bay Area. GROCO is consistently recognized as one of the top Silicon Valley CPA firms; and a top 25 best managed firm in the country. With over 25 years of experience in public family office tax, strategy and advisory, he works with some of the most successful venture capitalists and entrepreneurs in the world. He helps them with innovative family office, tax and business strategies. Alan frequently lectures and writes articles on tax issues for professional organizations and community groups. Media outlets such as Fox News, KPIX, and KRON have looked to Alan to share his business and tax expertise and insights. Alan has been quoted by Bloomberg, CNN Money Magazine, Consumer Reports, and other leading publications.

In addition to his management role at GROCO, Alan is also actively involved in his community. Since 2011 he’s hosted “American Dreams,” a radio and social media show that airs weekly in the San Francisco Bay Area. Alan has interviewed many of Silicon Valley’s top CEOs, venture capitalists, and other business and technology professionals to learn about their path in life and what it took for them to build their success. He then posts this information online, so anyone who wants to can view it for free, as a way to give back to the community. The American Dream’s Facebook page has over one million likes. Other community involvement includes being a current member of the Stanford Institute for Economic Policy Research (S.I.E.P.R.). SIEPR’s goal is to improve long-term economic policy. Alan received the Silver Beaver award by the Boy Scouts of America for his many years of distinguished service. Alan earned a B.S. in Accounting from Brigham Young University and earned his MBA at California State University at Hayward.

PARTNER
STEVE SINGER, CPA, MS

Steven Singer is a connector and collaborator that has guided ultra-high net worth individuals, families and entrepreneurs through complex tax, personal and financial issues. He is a high level strategist and implementor that executes. Steve is a partner at GROCO with experience in venture and corporate finance, mergers and acquisitions, family education and strategic and charitable planning. He currently serves on the board of Bizworld.org (teaching entrepreneurship to young adults), Leadership Councils of the American Diabetes Association, Women on Boards, Cifa (a part of the United Nations), and the Altru Institute. He is a frequent speaker at the Horasis group and authored many articles on cryptocurrency. He holds a B.S. degree in Business from U.C. Berkeley and a master’s degree in taxation from Golden Gate University.

Screenshot_2021-05-31 Hal Friedman, JD, Partner Partners, First relationship, Relationship

PARTNER
HAL FRIEDMAN, JD

Hal Friedman was a Director with Greenstein, Rogoff, Olsen & Co., LLP for 16 years prior to becoming a Partner in 2007. For the past 30 years, Hal has been working as a tax professional and lawyer serving the greater Palo Alto area. His practice experience spans all areas of taxation including closely held corporations and their shareholders, individuals, expatriates and nonresident aliens, and professional practices. Hal holds a bachelor’s degree in Accounting from Pennsylvania State University and a Juris Doctorate from Stanford Law School.

PARTNER
RON COHEN, CPA, MST

Ron Cohen has more than 33 years experience in public accounting and related industry work. He earned an undergraduate accounting degree from the University of Illinois, Chicago, and then a Masters in Taxation from Golden Gate University. Ron has extensive knowledge in International Tax and has traveled extensively throughout Europe and Asia handling tax issues. He has also served as a tax director for a company with sales in excess of $2 billion. Ron previously taught courses in taxation and financial accounting at Ohlone Community College. Ron lives in Fremont with his wife, who teaches English at Mission San Jose High School, and has two sons. Prior to his life as a CPA advisors, Ron did some stand-up comedy in Chicago and received advice from several comedians with national T.V. shows. However, after observing that the vast majority of comedians have a very low taxable income, Ron decided to follow his father’s example and become a CPA.