Our Team

Mark Ziller
President & CEO
Mark is an entrepreneur who has spent 20 years in the veterinary industry. He also founded TW Medical Veterinary Supply, a full-line distributor of veterinary pharmaceuticals and equipment. Mark spent seven years as the Division President of Animal Health International (previously Lextron), where he ran a $100 million division of a leading animal health distributor. He also served seven years on the board of the American Veterinary Distributors Association (AVDA), and was a founding board member of the American Association of Veterinary Blood Banks (AAVBB).
Connect with Mark on LinkedIn
Paul Covill
Executive Vice President
Paul started working in the veterinary industry in 1993 as a veterinary technician where he both worked in and and managed a veterinary clinic. He joined TW Medical Veterinary Supply in 1998, first as an Inside Sales Representative and later assuming roles of increasing responsibility in operations, sales management and ultimately as Vice President. After the sale of the business to Lextron/Animal Health International, Paul continued in high level positions as Director of Business Development & National Accounts, and as head of a $20 million Hawaii division that sold both veterinary and OTC pet products.
Connect with Paul on LinkedIn
Andrea Sharma
Andrea is a corporate finance executive with over 20 years of experience building, leading, and advising publicly traded and privately-held, high-growth corporations. Andrea has worked in the healthcare and high tech industries, has an MBA from UC Berkeley and is a CPA. Andrea is based in the Texas office.
Connect with Andrea on LinkedIn
Karen Parker, DVM
Director of Marketing and Recruitment
A graduate of Cornell University and Tufts University, Dr. Parker practiced small animal medicine for 10 years and managed a veterinary practice. She has more than 10 years of content marketing and digital marketing experience. Karen is the author of three AAHA Press books and of numerous business management and animal health articles.
Connect with Karen on LinkedIn
Steven Golla, DVM
Area Director
Dr. Golla is the founder of Chisholm Trail Veterinary Hospitals. He serves on the Executive Board of the Texas Veterinary Medical Association and is the past Chairman of the Lockhart Chamber of Commerce.
Stephen Tracey
Regional Business Manager
Stephen has worked in a variety of operational roles in veterinary medicine his entire career in private, corporate, and consulting roles, including serving as a Regional Operations Manager for Vetcor. He is also a founding and board member of the New Jersey Veterinary Hospital Managers Association.
Deb Kampschnieder
Director of Training & Development
Deb has over 25 years of leadership experience with a focus on training and development in both consumer and business environments. She spent several years in veterinary distribution training staff in both customer service and sales. In addition, Deb’s background in Human Resource Management allows her to establish a personnel-focused approach to coaching for improved success.
Elizabeth Gibson
Business Development
Elizabeth has over 18 years of experience in the animal health industry, starting her career in a busy multi-doctor practice and continuing with multiple roles in veterinary distribution. During her tenure with Professional Veterinary Products, she assisted on numerous corporate initiatives including the IMPACT continuing education seminars and the launch of the Vets First Choice home delivery platform. From 2010 - 2015, she worked at TW Medical / Animal Health International in inside sales and national accounts.
Connect with Elizabeth on LinkedIn
Nikki Wilkinson
Business Development
Nikki volunteering for years at the local animal shelter then worked in veterinary support positions before going off to the University of Wisconsin-Madison and earning her B.S. in Animal Sciences. For 11 years, she represented Merck Animal Health in the Austin area. She most enjoys building collaborative and successful relationships with veterinarians.
Misty Albright
Administrative Services Manager
Misty brings over 20 years of experience in administrative and finance roles, including 10 years of experience in the animal health industry.
Ashleigh Richardson
Integration & Human Resources
Ashleigh brings her previous experience in animal health, customer service, and internal support roles to her position as Integration Specialist at Innovetive Petcare.
Kathryn Smith
Talent Adviser
Kathryn is a highly-regarded veterinary manager with more than 20 years in veterinary practices. She uses her background in veterinary recruiting and talent development to help Innovetive Petcare's practices optimize their teams.

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