Roderick de Greef has been Chief Executive Officer and Chairman of the Board since October 2023 at BioLife. Previously, Mr. de Greef began serving as a director of the Board in January 2023, prior to which he served as President and Chief Operating Officer from November 2021 until he retired on January 3, 2023. Mr. de Greef was appointed Chief Operating Officer from December 2019 to May 2021 after his appointment as Chief Financial Officer from May 2016 to November 2021. He also served as interim Chief Financial Officer and interim Secretary from March 2016 through May 2016. Mr. de Greef served as a director of the Company from June 2000 through November 2013 and provided the Company with strategic and financial consulting services from July 2007 through August 2011. Since November 2022, Mr. de Greef has served as a director of the Upper Connecticut Valley Hospital, a non-profit, rural hospital in northern New Hampshire. Since December 2020, Mr. de Greef has served as a director of Sirona Medical Technologies, a cardia electrophysiology company. From February 2019 to January 2021, Mr. de Greef served as a director, chairman of the Audit Committee of the board of directors of Indonesia Energy Corporation Limited, an oil and gas exploration and production company. Mr. de Greef served Pareteum Corporation, a mobile communications company, as a director, chair of the Audit Committee and member of the Nominating and Corporate Governance Committee and Compensation Committee from September 2015 to September 2017, and also from January 2008 to October 2011. From November 2013 to October 2014, Mr. de Greef served as the president and sole director of Cambridge Cardiac Technologies, Inc. a privately held successor to Cambridge Heart, Inc. From November 2008 to October 2013, Mr. de Greef was the chairman of the board of Cambridge Heart, Inc., a manufacturer of non-invasive diagnostic cardiology products. From November 2003 to May 2013, Mr. de Greef served as a director, member of the Audit Committee and chairman of the Compensation Committee of Endologix, Inc. From 2001 to 2006, Mr. de Greef served as Executive Vice President and Chief Financial Officer of Cardiac Science, Inc. (which went private in September 2005), which in 2004 was ranked as the 4th fastest growing technology company in North America on Deloitte & Touche s Fast 500 listing. Mr. de Greef received his Master of Business Administration degree from the University of Oregon, and a Bachelor of Arts in Economics and International Relations from San Francisco State University. Mr. de Greef has extensive experience in corporate finance and the business world in general as well as serving as an officer and director of public companies.