Tandem Diabetes Care CEO and leadership

John F. Sheridan has served as our President and Chief Executive Officer since March 2019 and as a member of our Board of Directors since June 2019. Prior to joining our company, Mr. Sheridan served as Chief Operating Officer of Rapiscan Systems, Inc., a provider of security equipment and systems, from March 2012 to February 2013. Mr. Sheridan served as Executive Vice President of Research and Development and Operations for Volcano Corporation (NASDAQ: VOLC), a medical technology company, from November 2004 to March 2010. From May 2002 to May 2004, Mr. Sheridan served as Executive Vice President of Operations at CardioNet, Inc., a medical technology company. From March 1998 to May 2002, he served as Vice President of Operations at Digirad Corporation, a medical imaging company. Mr. Sheridan holds a B.S. in Chemistry from the University of West Florida and an M.B.A. from Boston University.

Paul DiPerna is the chief executive officer of Fuel Source Partners. Prior to that, he was a board member and business consultant at AtheroNova. DiPerna founded Tandem Diabetes Care in 2003 and served as its chief technology officer for over 8 years. Previously, he worked at Baxter Healthcare for over 14 years, where he held progressive management positions as a technologist for cell separation systems, program manager of the largest and complex system the company had undertaken, director of business development, and general manager of Digital Dental Sciences, a startup within the company. DiPerna holds a bachelor’s degree in mechanical engineering from the University of Massachusetts, Lowell, and master’s degree in engineering management from Northeastern University. DiPerna resides in San Diego, California, United States.

Susan is responsible for Tandem's human resources, corporate communications and investor relations. She joined Tandem in November 2007 as its Director of Corporate Services. Prior to joining Tandem, Susan held corporate and investor relations positions for Biosite Incorporated, a publically held medical diagnostics company that was acquired by Inverness Medical Innovations for $1.8 billion in June 2007. Prior to joining Biosite, she held positions at global and boutique public and investor relations agencies focusing on consumer product and biotech sectors. Susan received her bachelor's degree in Public Relations from Western Michigan University.

Brian Hansen is an Exec VP/Chief Commercial Officer at TANDEM DIABETES CARE INC, Senior Dir:Domestic Sales at GEN PROBE INC, and Senior VP:Global Sales & Service at GEN PROBE INC and is based in San Diego, California. He has worked as VP of Sales at Thermo Fisher Scientific; VP of Sales at Breve; and Head of Commercial, Sales and Marketing at Genoptix Inc. Brian works or has worked as Advisory Board, Marketing at University of Missouri-Columbia. He studied at University of Missouri-Columbia between 1985 and 1989, San Diego State University (SDSU) Research Foundation between 1990 and 1992, and San Diego State University - SDSU between 1990 and 1992.

Leigh Vosseller is an Executive Vice President and Chief Financial Officer at TANDEM DIABETES CARE INC.

Paul DiPerna is the chief executive officer of Fuel Source Partners. Prior to that, he was a board member and business consultant at AtheroNova. DiPerna founded Tandem Diabetes Care in 2003 and served as its chief technology officer for over 8 years. Previously, he worked at Baxter Healthcare for over 14 years, where he held progressive management positions as a technologist for cell separation systems, program manager of the largest and complex system the company had undertaken, director of business development, and general manager of Digital Dental Sciences, a startup within the company. DiPerna holds a bachelor’s degree in mechanical engineering from the University of Massachusetts, Lowell, and master’s degree in engineering management from Northeastern University. DiPerna resides in San Diego, California, United States.

John F. Sheridan has served as our President and Chief Executive Officer since March 2019 and as a member of our Board of Directors since June 2019. Prior to joining our company, Mr. Sheridan served as Chief Operating Officer of Rapiscan Systems, Inc., a provider of security equipment and systems, from March 2012 to February 2013. Mr. Sheridan served as Executive Vice President of Research and Development and Operations for Volcano Corporation (NASDAQ: VOLC), a medical technology company, from November 2004 to March 2010. From May 2002 to May 2004, Mr. Sheridan served as Executive Vice President of Operations at CardioNet, Inc., a medical technology company. From March 1998 to May 2002, he served as Vice President of Operations at Digirad Corporation, a medical imaging company. Mr. Sheridan holds a B.S. in Chemistry from the University of West Florida and an M.B.A. from Boston University.