Jon Mastel is an expert in the contracting, wholesale and manufacturing industries. For over a quarter century, Jon has been a leader in developing and representing sales, logistics, and operations teams.

Jon co-founded and serves as the managing partner for AdvocateFirst Executive Search. The firm’s clients and candidates benefit from Jon’s comprehensive understanding of the professional positions the team at AdvocateFirst source and place.

Jon holds a B.S. in Business Management from Cardinal Stritch University, where he graduated magna cum laude and is a veteran of the United States Coast Guard.

Jon Mastel - Managing Partner


Mitch Ornstein is a professional services veteran, entering the recruiting and consulting profession in 2005. In addition to co-founding AdvocateFirst and presiding over its Board of Advisors, Mitch serves as the practice director for Brilliant Management Resources in Chicago.

Mitch has been directly responsible for hundreds of placements in his career, and has a reputation as one of the best at understanding his clients and enhancing careers on behalf of those with which he has worked. Prior to entering the recruiting profession, Mitch spent six years hiring and leading sales teams for a leading distributor of industrial products.

Mitch holds a B.A. in Accounting from the University of St. Thomas and a J.D. from Mitchell Hamline School of Law.
Mitch Ornstein - Partner

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