The Team

The Venture Advisors Business Group team is comprised of individuals with a significant amount of experience – in senior management, business ownership, entrepreneurship and consulting as well as Business Brokerage / Investment Banking. This level of experience provides a unique level of insight into the challenges facing business owners, what creates value and risk in a business and what buyers are looking for.

Richard Schammel, CBB

President and CEO

Office: 626.262.4425 | Cell: 626.644.8306

Rich founded Venture Advisors Business Group in 2005, after over 30 years of senior corporate financial experience. He has led numerous corporate acquisition and integration efforts and has extensive experience representing clients in the pricing, marketing, due diligence and structuring of business sales and acquisitions. He was formerly President of the California Association of Business Brokers, currently serving as a Director and Treasurer.

His experience includes the roles of Senior Vice President / CFO of the property management division of CBRE and VP Finance of Real Estate Management Services at Grubb and Ellis. He built and managed the nationwide financial organizations – providing all of the accounting and financial reporting, cash management and banking, budgeting, IT system development and support, as well as internal audit functions for both of these firms.

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Mary J. Machado-Schammel


Office: 626.407.4677 | Cell: 626.437.2357

Mary markets the firm’s business listings to Private Equity Groups, domestic and international investors, strategic buyers and family offices. Mary’s experience includes that of Senior Vice President, Head of west coast operations for Standard Chartered Bank…

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Cathryn Vallevieni

Senior Director

Office: 714.594.7527 | Cell: 714.227.4948

Cathryn specializes in the representation of Buyers.

She has been a licensed real estate broker and active in business brokerage for over 40 years. Cathryn was a co-founder and President of the real estate franchisor HelpUSell, and President of the national business brokerage franchisor – VR Business Brokers.

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Ramon Grijalva, Ph.D.

Director, Industrial Sales

Office: 562.606.1005 | Cell: 310.748.1138

Ramon specializes in the sale of industrial, manufacturing and technology related businesses.

He has over 30 years of experience in senior management positions within the aerospace, food & chemical, industrial production, industrial distribution, electronics and software, and consulting industries. He was Vice President of Business Development at Lockheed Information Management Systems and Vice President, Instruments and Transportation Systems at Scientific Atlanta. Ramon is a specialist in transportation technologies, having worked as Director of Business Development at Kapsch TrafficCon North America, then founded and managed his own firm – Addison Burnett Consulting.

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Robin Hwang

Office: 562.606.1005 | Cell: 310.666.6753

Robin focuses on business development – seeking to identify firms that have an interest in selling or acquiring businesses. He has extensive experience in business operations as well as investment banking, having participated in M&A transactions, management buyouts, acquisition searches, due diligence processes and valuations across a range of industries including chemicals, food and industrial manufacturing, IT services and distribution.

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Contact Venture Advisors Business Sales and Acquisitions

180 South Lake Avenue, Suite 235
Pasadena, CA 91101

Local: 626-449-1550
Toll Free: 877-549-7870
Fax: 626-219-7985

Cal BRE 01476657