Craig Tooman

President and Chief Executive Officer; Chief Financial Officer

Craig Tooman, MBA, has served as our President and Chief Executive Officer since January 2019. Mr. Tooman has served as Chief Financial Officer from November 2013 and our Treasurer since January 2014. He was a member of our Board of Directors from April 2012 to November 2013, before accepting the CFO role. Mr. Tooman previously served as the Chief Executive Officer of Avanzar Medical, Inc., a privately-held company focused on commercial oncology opportunities, from February 2012 until November 2014. Mr. Tooman was also the founder and principal of Stockbourne LLC, a firm that provides strategic business and financial advisory services, a position he held from January 2011 to November 2013. From July 2010 to January 2011, Mr. Tooman was the Senior Vice President of Finance and Chief Financial Officer of Ikaria Inc., a biotherapeutics company. From January 2005 to July 2010, Mr. Tooman was the Executive Vice President of Finance and Chief Financial Officer at Enzon Pharmaceuticals, a biopharmaceutical company. Prior to that, Mr. Tooman was the Senior Vice President of Strategic Planning and Corporate Communications at ILEX Oncology, Inc. and the Vice President of Investor Relations at Pharmacia Corporation. Mr. Tooman previously served on the Board of Directors of Insite Vision Incorporated, a publicly-traded ophthalmological company, from September 2011 to November 2015. Mr. Tooman also served on the Board of Directors and as chair of the audit committee of Xanodyne Pharmaceuticals Inc., a privately-held specialty pharmaceutical company, from October 2007 until it was acquired in June 2013 upon the sale of its commercial assets. He has a B.A. in Economics from Kalamazoo College and M.B.A. in Finance from the University of Chicago.

Ernst Heinen, DVM, Ph.D.

Chief Development Officer

Ernst Heinen, DVM, Ph.D., has served as our Chief Development Officer since March 2014. In addition, he served as our Head of Drug Evaluation and Development from June 2012 until March 5, 2014. From 1990 to 2012, Dr. Heinen held positions of increasing responsibility at Bayer Animal Health, the animal health division of Bayer AG, where he ultimately served as Vice President of Research & Development and Veterinary Technical Services, Pets. Dr. Heinen currently serves on the Kansas State University Olathe Advisory Board and previously served on the boards of the Kansas City Area Development Council and the Center for Animal Health Innovation, and he is the author of dozens of scientific articles and presentations focused on the animal health industry. Dr. Heinen received a veterinary degree and a D.V.M. in veterinary microbiology from the Justus-Liebig-University of Giessen Veterinary School in Giessen, Germany, and is a certified specialist in veterinary microbiology.

John Ayres, J.D.

General Counsel & Secretary

John Ayres, J.D. is General Counsel and Secretary of Aratana Therapeutics with more than a decade of experience representing pharmaceutical, medical device, and technology companies. Before joining Aratana, he served as corporate and securities counsel for California-based Amgen Inc., the world’s largest independent biotechnology company. Prior to joining Amgen, he was an associate at Latham & Watkins LLP in Chicago, where he specialized in public company representation and corporate transactions. Mr. Ayres earned his Juris Doctorate degree from the University of Missouri. He also earned a B.A. degree in finance from Truman State University. He is a member of the Bar of the state of Missouri and the state of Illinois.

Chris Ready 

Vice President of Sales and Marketing

Chris Ready has served as our Vice President of Sales and Marketing since November 1, 2018. In addition, he has served as our Sr. Director of Marketing from November 2016 to October 31, 2018. Previously, Mr. Ready served as Senior Director of Companion Animal Global Marketing at Elanco Animal Health from January 2015 to November 2016 and was responsible for the strategic marketing and brand management teams of the entire companion animal portfolio. Within Elanco, he also held various marketing roles in the companion animal, beef, dairy, swine and poultry business units from October 2005 to December 2014. Before Elanco, Mr. Ready spent nearly 10 years with Bayer Animal Health in various marketing and sales positions from July 1996 to October 2005. Mr. Ready holds a bachelor’s degree in biology from the University of Kansas.

Debbie Walls

Vice President of Human Resources

As Vice President of Human Resources, Debra Walls, M.B.A., brings more than 20 years of experience from a wide variety of industries, including automotive, aerospace, technology and animal health. Before joining Aratana, Ms. Walls served as Director of Human Resources for Fishnet Security where she was a member of the executive team and lead a team of a dozen supporting the organization’s overall HR strategy. Prior, she worked for seven years at Wyeth’s Fort Dodge Animal Health and was responsible for the division’s compensation and benefits programs and also lead the transition of employees after the Pfizer acquisition. Ms. Walls holds her Masters of Business Administration from the Williams College of Business at Xavier University and a B.S. in organizational leadership from Purdue University.