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Marr Professional Development Corporation | Ann Arbor, MI

Sandler Training in Ann Arbor, MI

Marr Professional
Development Corporation

Sandler Training • Ann Arbor

Founder & President

Joe Marr

Joe Marr has over 30 years experience organizing, training, coaching and managing sales professionals and sales managers worldwide. In executive sales and training positions in the corporate world, Joe was responsible for the technical and sales fundamentals training of over 1000 sales people worldwide in support of a $110,000,000 business.

A native of Ann Arbor who attended EMU Business School, Joe's mission is to help business people to get as comfortable and effective in selling and sales management, as they are in the rest of their business.

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Trainer & Marketer

Spencer Marr

Spencer Marr assists in hosting and training Sales Reps, CEO’s, and Owners of businesses. His primary roles are marketing, client communication, and operations.

He is a Father, Husband, musician with interests in health and fitness. 

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