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Jim Callahan has a diverse work experience spanning several decades. Jim began their career in 1979 as the General Sales Manager at Rollins, Inc. Jim then moved on to become the Regional Manager at Rollins, Inc. in 1989 before taking on the role of Director of National Sales in 1994. In 1997, they joined Ackerman Security Systems as the Vice President of Sales and Marketing, and later served as the COO, President, and ultimately the Chief Executive Officer of the company. Throughout their career, Jim has showcased their expertise in sales, marketing, and leadership roles.

Jim Callahan's education history includes attending the University of Maryland. However, no specific information regarding the degree name or field of study is available.