Don Bizub
Profile Verified by The Marque
Last Updated: 22 Sep 2026
Chief Executive Officer
Los Angeles, US
Profile Verified by The Marque
Last Updated: 22 Sep 2026
THE MARQUE
In Their Own Right
Biography
Donald M. Bizub is an accomplished executive in the financial sector who has distinguished himself through his dynamic leadership and extensive experience in wealth management. Don is the current CEO of Hamilton Grant LLC, an investment bank he founded in 2014.
Bizub has a proven record of executive leadership marked by his successful tenure at Western International Securities where he rose from Executive Vice President in 1996 to the positions of Chief Financial Officer and later Chief Executive Officer. He subsequently transitioned to the role of President following the company's acquisition by Atria Wealth Solutions Inc. in 2020. He held this position until his return to Hamilton Grant in 2023.
Leveraging his stellar experience, Bizub contributes valuable insights to many securities industry organizations, including the Financial Services Institute (FSI) and the Securities Industry and Financial Markets Association (SIFMA). His commitment to industry growth is further evident in his involvement with Vistage, a network of executives fostering decision making and challenging assumptions.
Known for his vibrant communication style as well as his professional and personal connections, Bizub has gained significant recognition in the financial industry and the Los Angeles business community. This was highlighted by his inclusion in the LA500 list, a recognition of individuals making a significant impact in the Los Angeles business landscape. Under his leadership, both Western International Securities and Hamilton Grant repeatedly appeared on the Los Angeles Business Journal's list of the 100 fastest-growing private companies.
Bizub holds a BA in Finance, Real Estate, and Law from California State Polytechnic University (Cal Poly). He continues to be a valued mentor and is a member of the Advisory panel where he is often a guest lecturer in the Management & Human Resources Department.
The Record
Background
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2023 — Present
Chief Executive Officer
Hamilton Grant
Founded in 2014, Hamilton Grant provides experienced independent financial advisors with the back office tools they need to offer independent investment banking services.
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2014 — Present
Founder & Director
Hamilton Grant
Hamilton Grant streamlines the M&A process for businesses, from engagement through closing, and manages securities regulatory requirements so companies can focus on their core business.
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1998 — 2020
Chief Executive Officer
Western International Securities
Western International Securities is a high-end independent broker/dealer which supports a variety of products including advisory services, insurance, annuities, equities, fixed income and retirement plans to help clients achieve their financial goals. Don also served as the firm's CFO from October 1997 – May 1998 and EVP from May 1996 – October 1997.
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2001 — 2003
President | Southern California
Securities Industry Management Association (SIMA)
Securities Industry Management Association (SIMA) is an association established for the benefit of individuals working in the Financial Services & Securities industries. It aims to organise presentations and events and provide members with networking opportunities.
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2020 — 2023
President
Western International Securities
Western International Securities is a high-end independent broker/dealer which supports a variety of products including advisory services, insurance, annuities, equities, fixed income and retirement plans to help clients achieve their financial goals.
Formative Years
Education
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California State Polytechnic University
BA | Finance, Real Estate & Law
Areas Of Focus