Who We Are

Stephen started working in the institutional investment industry in 2001. He served as Senior Analyst at institutional investment consulting firm Callan Associates, creator of the Callan Periodic Table of Returns. He advised pension plans like California State Teachers, endowments including the Harvard Endowment, and foundations. He later joined his client, the $2B James Irvine Foundation as the sole analyst. While Stephen worked there the James Irvine Foundation’s performance ranked in the top 1% of large foundations.

He created the internal control systems and accounting processes for microfinance facilitator Kiva, founded by veterans of Silicon Valley, including the former Chief Operating Officer of Google and early employees of PayPal. Stephen worked in Nairobi, Kenya for 3 months in 2008 with Kiva’s largest banking partner.

Between 2010 and 2017 Stephen built a new RIA in New York City from $30M to over $100M while managing the hedge fund Livian Equity Opportunity Fund. He also co-managed the Livian High Income Opportunity strategy.

He co-founded registered investment adviser Mulholland & Kuperstock Asset Management with business partner Mark Kuperstock in 2019. Currently, Stephen is Chief Investment Officer of Mulholland & Kuperstock Asset Management and MKAM ETF.

Stephen graduated from the Barcelona Graduate School of Economics in 2009 with a Master of Science in Economics Degree. He successfully earned the CFA® credential in 2006. He graduated with honors in Economics from the University of California at Santa Cruz in 2001.

Mark has been an investment professional for the past 34 years including terms with UBS and Oppenheimer. He served as the Managing Director and Fixed Income Portfolio Manager for a boutique RIA for ten years. He co-founded registered investment adviser Mulholland & Kuperstock Asset Management with business partner Stephen Mulholland in 2019.

Mark has dedicated his community and charitable efforts for the past three decades to helping child and youth servicing agencies across Los Angeles. Mark served as Board President for Jewish Big Brothers Big Sisters of Los Angeles from January 2017 – December 2019, and has been a member of the Board of Directors since 2012. He is a past Chairman of the PGA Tour Nissan Los Angeles Open Golf Tournament (benefiting 11 youth charities in the community); a former Board Member of the Rio Hondo Boys & Girls Club; past Board Member of the LA Junior Chamber of Commerce and was a founding member of the Los Angeles Children’s Library.

Currently, Mark is Lead Fixed Income Portfolio Manager and Chief Compliance Officer of Mulholland & Kuperstock Asset Management and MKAM ETF.