Pablo Lamberto

Dr. Pablo Lamberto, DVM – Senior Vice President and President of US Operations

Dr. Lamberto served previously as a Vice President Global Commercial and Marketing Operations for CattleEye, a global leader in cow behavior monitoring using Machine Vision and AI, consolidating the company leadership in the UK while expanding the footprint into the US market. He also previously served as a Senior Director, US Precision Livestock Farming and led the US Dairy & Equine Marketing Team – USA, for almost ten years at Zoetis; in this position his focus was supporting US Dairy producers and Veterinarians to progress with their businesses in a sustainable way for the long term.

Prior to this, Dr. Lamberto led the Regional Cattle & Equine Commercial Team for the Canadian and Latin America regions at Pfizer Animal Health (now Zoetis). In this role he was responsible for shaping the key strategies in the Regional Cattle and Equine Business, and supporting all markets in the region, running the Marketing, Commercial and Technical teams.

Before his Regional responsibilities Dr. Lamberto held positions at Pfizer Animal Health of increasing responsibility in Argentina, Brazil and Mexico, where he was Business Unit Director for Cattle, leading Sales, Marketing and Technical divisions.

In his 30-plus year career with CattleEye, Zoetis and Pfizer Animal Health, Dr. Lamberto has excelled in launching New Products, introducing CRM and Sales Management Systems, developing Strategic Brand Platforms, Price per Value Strategy, leading colleagues through Business Integrations and enhancing the use of Precision Livestock Farming Technology with dedicated ecosystems.

Justin Miller

Mr. Justin Miller – Vice President of U.S. Production Sales

Justin Miller served previously as a US Director of Precision Livestock for Datamars, a global data solutions company with a legacy in livestock solutions. He also served as North America Director of Sales for 4 years at Simcro Ltd (now Datamars); a New Zealand based company focusing on providing customized animal health delivery solutions to the pharmaceutical industry.

Prior to Datamars, Mr. Miller served as the Western US Regional Sales Manager for Cattle & Equine at Merial (now Boehringer Ingelheim). During his 12 years with Merial he was involved in various aspects of the livestock business. In this role he was responsible for leading a successful sales team and effectively executing marketing strategies in the western Region Cattle and Equine Business to achieve aggressive sales targets.

In his 20-year career with Datamars, Simcro and Merial Animal Health, Justin has focused on multiple segments of the business such as launching new innovative precision livestock technologies and managing a vast portfolio of pharmaceutical products to enhance profitability at the farm level.

Chelsie Estey

Dr. Chelsie Estey - Vice President of U.S. Pet Care

Dr. Estey's background includes a Bachelor of Science degree from the University of New Brunswick and a Master of Science degree from the University of Ottawa. She obtained her Doctor of Veterinary Medicine degree and then completed a small animal rotating internship at Georgia Veterinary Specialists. Dr. Estey furthered her training with a Neurology and Neurosurgery residency at Cornell University.

Prior to joining Parnell, Dr. Estey worked as a veterinary neurologist in private practice. She then moved on to serve in various roles at Elanco, starting as a Specialty Consulting Veterinarian and progressing to Senior Director of the Specialty Consulting Veterinarians. In 2022, she assumed the role of Senior Director of U.S. Pet Health Specialty Sales and Consulting Veterinarians. Dr. Estey is also a published author with numerous articles in scientific journals and several book chapters to her credit.

Brian Howard

Mr. Brian Howard - Vice President of Strategic Marketing

Brian Howard is the Vice President of Strategic Marketing. In this role, he leads the Parnell team that oversees marketing for both the U.S. Pet Care and Livestock businesses and directs the brand strategy globally. He has a passion for building strong, successful brands and launching new products in the animal health market.

Mr. Howard brings significant experience and expertise from his roles at Datamars and Simcro Limited, in addition to his previous roles with prominent agriculture advertising and marketing agencies. During that time, he led several successful strategic marketing and communications efforts for companies in the B2B and B2C space including Merial (now Boehringer Ingelheim), Merck Animal Health, Bayer Animal Health (now Elanco), AGCO, Thermo Fisher Scientific, Sprint (now T-Mobile) and Nature’s Recipe pet products.

Mark Doornink

Mr. Mark Doornink - Vice President of Digital Technology

Mark Doornink is the Vice President of Digital Technology. In this role, he leads Parnell’s digital technology team to advance the company’s portfolio of innovative technology solutions for dairy producers and veterinarians, helping them benchmark and work toward success as they define it. He has a passion for the successful implementation of technology on the farm.

Mr. Doornink is an industry veteran, most recently leading the product and development teams at Vyla, VES-Artex, and Valley Ag Software. He successfully designed and deployed technology platforms that helped improve dairy farm operational efficiency and increased animal health. Staying close to his roots, Mark likes to spend time on farms getting his boots dirty and understanding the real challenges faced by dairy owners and managers.