Our Team


Matei Sanders

Managing Partner

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Ari Bayme

Managing Director

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Zach Madden

Senior Associate

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Rubin Stack


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Sultan Abdellatif


Matei has been advising businesses as an investment banker and strategy consultant for more than 20 years. Since 2010, he has completed 30+ M&A transactions with an aggregate value of $5+ billion.

Prior to founding Sandfox, Matei was a senior banker at Petsky Prunier (Canaccord Genuity), Equiteq, and AGC Partners. He started his investment banking career at Jefferies & Co., executing transactions across technology, healthcare, media, telecom, and other industries. Matei holds an MBA from NYU’s Stern School of Business and graduated with honors from Cornell University with a degree in Cognitive Psychology and a minor in Computer Science.


Sultan was an intern at Sandfox in 2021 and was invited to join the firm as a full-time Analyst in 2022. Previously, Sultan was an investment banking intern at Amuka Capital and a private equity intern at Explora Partners.

While earning his degree in Accounting and Finance from the University of Waterloo, Sultan was also the Founder & President of Waterloo Private Capital. In that capacity, he led a team of seven students supporting institutional funds through industry research and transaction modeling.

Zach has 10 years of experience as an investment banker and has completed 15+ M&A transactions and financial advisory engagements across a range of industries.


Prior to joining Sandfox, Zach was an investment banker at Wedbush Securities, where he executed M&A transactions across industries such as digital media, entertainment, consumer durables, and technology (software and hardware).

Zach earned a B.B.A. with a concentration in Finance and Banking from the University of Wisconsin-Madison.

Ari has two decades of experience as a strategic advisor, investor, and operator of companies in the technology and media industries. Ari has led 30+ transactions across four continents and has served as a corporate development executive for Defy Media and Evolve Media.


Earlier in his career, Ari led the M&A pipeline for a Nasdaq-listed services company, consummating six acquisitions before the combined entity was acquired by KPMG.

Ari enjoys being a father, sailing, and restoring vintage automobiles. He is also the former President of Rocking the Boat, an after-school program teaching leadership and traditional wooden boat building to at-risk youth in New York City.

Rubin has five years of financial services experience encompassing financial analysis, valuation, financial modeling, and investment analysis.

Prior to joining Sandfox, Rubin was an investment banker at BCMS, advising clients on various sell-side strategies. He began his career at Trinity Industries, supporting the FP&A team’s core function of financial reporting and providing earnings guidance.

Rubin earned a B.A. in Finance from Baylor University, Hankamer School of Business, graduating with honors.

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