Our Leaders
Leadership Team
Linda B. Lehmkuhl, DVM, MS, DACVIM (Cardiology)
Chief Executive Officer
Lauren Boyd, DVM, DACVIM (SAIM)
Chief Medical Officer
Dain Bussewitz, MBA
Chief Financial Officer
Jennifer L. Kerestan, MS, MBA
Chief Clinical Officer
Maura Stevenson, MA, PhD
Chief Human Resources Officer
Dennis Maher
Chief Operations Officer
Nick Madias, MBA, PMP
Chief Information Officer
Jen Burns
Chief Marketing & Experience Officer
Healthcare Steering Committee
Kate Bailey, DVM, DACVAA
Vice President, Medical Excellence and Education
Joe DeFulio
Vice President, Clinical Services
Jon Fletcher, DVM, DACVIM (SAIM)
Director, Post-Graduate Medical Education & Clinical Studies
Heidi Hill, MA, CVPM
Vice President, Clinical Services
Leilani Ireland, DVM, MS, MBA, DACVECC
Regional Medical Director
Elizabeth Knudsen, MOT, MPH
Vice President, Experience
Sarai Kobaly, MHA
Vice President, Clinical Services
Barbara Lightner, DVM, DACVS-SA
Regional Medical Director
Suzanne MacGregor, MBA
Vice President, Clinical Services
Ashley Martin, DVM, DACVIM (SAIM)
Regional Medical Director
Ann Selander
Vice President, Continuous Process Improvement
Ashley Wiese, DVM, MS, DACVAA
Regional Medical Director
Vice Presidents
Kevin Beck, MBA
Vice President, Real Estate
Sarah Berger, MBA
Vice President, Communications
Julie Brown, PHR, SHRM-CP
Vice President, HR, Culture, and Diversity
Troy Collins
Vice President, IT Infrastructure
Brandon Hartman
Vice President, Financial Planning & Analysis
Amy L. Nelson, PhD
Vice President, Digital Marketing & Marketing Operations
Doug Schwartz, MS, CPA
Vice President, Controller
Brian Sleboda, MBA, CPA
Vice President, Growth & Investor Relations
Dennis Sproul, MBA
Vice President, IT Applications Support