Board of Directors

Michael W. Choe
Michael joined Harvard Private Capital Group, the predecessor to Charlesbank, in 1997 from McKinsey & Company, where he focused on corporate strategy work. He lived in Seoul, Korea, before moving to Boston for college. Michael received a BA in biology from Harvard University. He serves on the Board of Governors of Partners in Health and the Board of Trustees of Nativity Preparatory School of Boston.

J. Ryan Carroll
Ryan joined Charlesbank in 2000 from LEK Consulting, where he focused on corporate strategy and private equity projects. He graduated from Harvard University with a BA in economics, magna cum laude. He serves on the Board of Trustees of the BMC HealthNet Plan, a non-profit managed care organization that provides healthcare coverage to underserved populations, and the Exceptional Care Without Exception Trust at Boston Medical Center, the largest safety net hospital in New England.
James E. Minarik
Jim Minarik is the Chairman of DEI Holdings and of Sound United.

Jim joined the company in 2001 and has fostered its growth into the leading designer and marketer of loudspeakers in the United States. From 1992 until December 2000, Jim was employed by business units of the publicly traded Japan-based Clarion Company Limited, a supplier of audio equipment to global car manufacturers and retailers.

He was Chief Executive Officer of Clarion Corporation of America from 1997 to December 2000. He received both a Bachelor’s degree and a Masters of Business Administration from Pennsylvania State University.

Kevin P. Duffy
Kevin Duffy is CEO of DEI Holdings and of Sound United. Kevin joined DEI Holdings in 2003 and has served in a variety of roles including Chief Financial Officer DEI Holdings, President of Directed Electronics, Senior Vice President – Corporate Development, Marketing, and Investor Relations.

Before joining DEI, Kevin worked for ThinkTank Holdings LLC, a private investment firm located in Southern California and for one of its portfolio companies as Executive Vice President. Kevin’s previous experience includes serving as Director of Strategy at Clarion Corporation of America, as well as consulting with Bain & Company and Deloitte & Touché.

He holds an B.A. in Economics from Princeton University and a Masters of Business Administration from the Stanford Graduate School of Business.