Board of Directors

Kirk K. Calhoun joined the Board of Directors as the chairman of the audit committee upon the completion of this offering. Mr. Calhoun joined the public accounting firm Ernst & Young, LLP in 1965 and served as a partner of the firm from 1975 until his retirement in 2002. Mr. Calhoun has a B.S. in Accounting from the University of Southern California and is a Certified Public Accountant (non-practicing) in California. He is currently lead director of the Board of Directors of Response Genetics, Inc. Previously Mr. Calhoun served on the boards of five public companies up until the dates of their respective sales, including Abraxis Bioscience, Inc., Myogen, Inc., Aspreva Pharmaceutical Corporation, Adams Respiratory Therapeutics, Inc., and Replidyne, Inc. Mr. Calhoun’s experience serving on public company audit committees and boards of directors and his past work as a partner with Ernst & Young, LLP has led the Board of Directors to conclude that Mr. Calhoun has the requisite expertise to serve as a director of the Company and qualifies as a financial expert for audit committee purposes.

Court Carruthers was appointed to the Board of Directors in August 2015, bringing extensive experience to his role. Previously, Mr. Carruthers spent 13 years with W. W. Grainger, Inc., most recently serving as group president of Grainger’s Americas region, where he was responsible for the company's operations in North and South America, as well as its e-commerce and technology initiatives across the enterprise. Mr. Carruthers earned his Master of Business Administration from Queen's University in Canada and a bachelor’s degree in commerce from the University of Alberta. He is also a Fellow of the Chartered Professional Accountants of Canada (FCPA, FCMA) and an institute-certified director.

Eva M. Kalawski has been a director since July 2007. Ms. Kalawski joined Platinum in 1997, is a Partner and serves as the firm’s General Counsel and Secretary. Ms. Kalawski serves or has served as an officer and/or director of many of Platinum’s portfolio companies. Prior to joining Platinum in 1997, Ms. Kalawski was Vice President of Human Resources, General Counsel and Secretary for Pilot Software, Inc. Ms. Kalawski earned a Bachelor’s Degree in Political Science and French from Mount Holyoke College and a Juris Doctor from Georgetown University Law Center. Ms. Kalawski’s expertise and experience managing the legal operations of many portfolio companies has led the Board of Directors to conclude that she has the background and skills necessary to serve as a director of the Company.

Jacob Kotzubei has been a director since January 2010. Mr. Kotzubei joined Platinum in 2002 and is a Partner at the firm. Mr. Kotzubei serves as an officer and/or director of a number of Platinum’s portfolio companies. Prior to joining Platinum in 2002, Mr. Kotzubei worked for 4 1/2 years for Goldman Sachs’ Investment Banking Division in New York City. Previously, he was an attorney at Sullivan & Cromwell LLP in New York City, specializing in mergers and acquisitions. Mr. Kotzubei received a Bachelor’s degree from Wesleyan University and holds a Juris Doctor from Columbia University School of Law where he was elected a member of the Columbia Law Review. Mr. Kotzubei’s experience in executive management oversight, private equity, capital markets and transactional matters has led the Board of Directors to conclude that he has the varied expertise necessary to serve as a director of the Company.

Stephen Larson joined the Board of Directors in 2014, and was appointed to the Board’s Audit Committee. Larson spent 35 years with Caterpillar Inc. in various senior leadership roles including, Vice President, Caterpillar Financial Services and President and Chairman of Caterpillar Logistics, a wholly owned subsidiary of Caterpillar Inc. Mr. Larson previously served for six years as a Commissioner on the Board of the Metropolitan Airport Authority of Peoria, Illinois.

Philip E. Norment has been a director since April 2014. Mr. Norment is a member of Platinum’s Investment Committee and is a senior advisor on specific operational initiatives throughout the portfolio. He is also the senior operations executive responsible for evaluating acquisition opportunities and integrating new acquisitions into the portfolio. Prior to joining Platinum in 1997, Mr. Norment served in a variety of management positions at Pilot. Over the course of 12 years he worked in the areas of global support, operations, consultative services and sales support, achieving the position of Chief Operating Officer. Mr. Norment earned a Bachelor’s degree in Economics and an MBA from the University of Massachusetts, Amherst. Mr. Norment’s experience in executive management oversight, private equity, and transactional matters has led the Board of Directors to conclude that he has the varied expertise necessary to serve as a director of the Company.

Mary Ann Sigler has been a director since January 2010. Ms. Sigler is the Chief Financial Officer of Platinum. Ms. Sigler joined Platinum in 2004 and is responsible for overall accounting, tax, and financial reporting as well as managing strategic planning projects for the firm. Prior to joining Platinum, Ms. Sigler was with Ernst & Young LLP for 25 years where she was a partner. Ms. Sigler has a B.A. in Accounting from California State University Fullerton and a Masters in Business Taxation from the University of Southern California. Ms. Sigler is a Certified Public Accountant in California, as well as a member of the American Institute of Certified Public Accountants and the California Society of Certified Public Accountants. Ms. Sigler’s experience in accounting and strategic planning matters has led the Board of Directors to conclude that she has the requisite qualifications to serve as a director of the Company and facilitate its continued growth.