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Our Team

The Cornerstone team has deep experience arranging, structuring and executing acquisitions in a variety of industries as well as managing investments post-closing.

Jonathan H. Alt
Principal

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Mr. Alt is a Founder of Cornerstone. For the two years prior to forming Cornerstone, he was involved in industry consolidations, mergers, and acquisitions with BGL Capital Partners, a Chicago-based merchant banking group. Prior to that, he was an Associate with the merchant banking group of Banque Paribas, where he was involved in arranging, structuring, and financing leveraged buyout transactions in a variety of industries. Mr. Alt received a B.A. in Finance from the College of Commerce and Business Administration at the University of Illinois.

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Andrew M. Bushell
Principal

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Mr. Bushell is a Founder of Cornerstone. For the three years prior to forming Cornerstone, he was involved in industry consolidations, mergers, and acquisitions with BGL Capital Partners, a Chicago-based merchant banking group. Prior to that, he served as President of Sentry Fire Protection Systems. Mr. Bushell received a B.A. in Economics from Cornell University, a J.D. from Rutgers University School of Law, and an M.B.A. from the J.L. Kellogg Graduate School of Management at Northwestern University. He is also a certified public accountant.

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Lili Zhou
Chief Financial Officer

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Ms. Zhou joined Cornerstone in 2013 as CFO after leading financial activities at RSA Engineered Products, where she also served as CFO, and Klune Industries/PCC where she worked as a Corporate Finance executive for over eleven years. Ms. Zhou brings a deep knowledge of financial accounting, corporate finance, restructuring, and acquisition due diligence/integration. She oversees the financial activities of the Cornerstone portfolio and works closely with the team to evaluate new opportunities. Ms. Zhou received a BSBA in Accounting from Northeastern University in China and is a CPA.

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Tim Martin
Executive Advisor/ Board Member

 

Tim is presently an Executive Advisor and Board Member for Cornerstone. He recently retired from Doncasters in 2018 after five years of service as Chief Commercial Officer where he had group responsibility for Sourcing, Strategic Business Development, Sales and M&A focusing on the Aerospace and IGT markets. Tim was also President of Doncasters Inc., USA from 2012 through 2018. Prior to that, he spent 35 years at UTC Aerospace Systems (formerly Goodrich) before retiring as Vice President, Supply Chain and Strategic Initiatives. While there, he also served as Chairman of the Board for GATT – Tianjin China. Tim has a Bachelor degree in Business Administration and is also a certified “Lean Manufacturing” Practitioner with extensive continuous improvement experience. He currently volunteers at Interfaith Services in Carlsbad, CA. as career counselor for those in need.

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