Dr. Keith Rohrer and furry friend

Meet the Professional Services Veterinary Team

Merck Animal Health has professional services veterinarians that cover the US from coast to coast with wide range of expertise.

Get to know them, both professionally and personally.

Find and connect with the team member that supports your needs.

COMPANION ANIMAL

Ashley Akins, DVM

Professional Services Veterinarian
Upstate NY (NY, PA)

“An informed pet owner is an empowered pet owner.  We need to meet people where they’re at and give them the opportunity and the tools to make the best choices.”

Ashley Akins, DVM

Daniel Baker, DVM

Sr. Professional Services Veterinarian
New England Region (MA, ME, NH, NY, VT)

“As a member of the Professional Services Veterinary team, I have the unique opportunity to partner with practices and positively affect thousands of pet’s lives!”

Patricia Burbano, DVM

Sr. Professional Services Veterinarian,
Central Texas Region (TX)

“I love being part of an organization that is not only committed to the health of animals but also committed to the people that watch over them.” 

Patricia Burbano, DVM
Jessica Burns, DVM

Jessica Burns, DVM

Professional Services Veterinarian,
Mountain States (CO, UT, ID, MT, NE, SD, ND)

“Every day, veterinarians make a positive impact on the lives of animals and the people that love them.  I consider it an honor to be a part of this profession.”

Debera A. Butler, DVM

Sr. Professional Services Veterinarian
Mountain States Region (AZ, CO, ID, MT, NM, NV, UT, WY)

“One of my favorite parts of being a veterinarian for Merck Animal Health is visiting my alma mater, CSU. I get the honor of lecturing to students and collaborating with faculty, some of which taught me.”

Dr. Debera A. Butler meet the team
Meg Conlon, DVM

Meg Conlon, DVM

Executive Director,
US CABU Professional Services

“I love being part of an organization whose purpose is ensuring the extraordinary pets of ordinary people have as many birthdays as possible by bringing efficacious and safe solutions to veterinary teams.” 

Robert Duquette,

PhD, BVSc, MRCVS

(he/him)

Associate Director
Veterinary Professional Services West Area

“It’s an honor to be part of such a diverse and talented Team. Not a day has gone by that I haven’t learned new and exciting innovations across the veterinary field – not only in companion animals, but for all animals.”

Dr. Robert Duquette meet the team
David Duvall, DVM

David C. Duvall, DVM

Sr. Professional Services Veterinarian
Ohio Valley Region (NY, OH, PA)

“It was my life-long dream to become a veterinarian and improve the lives of animals. Becoming a veterinarian was the only occupation I ever considered.”

Sheryl Gamble, MS, DVM

Sr. Professional Services Veterinarian
Southeast Region (FL, GA)

“Animals love unconditionally. We should be more like them.”

Dr. Sheryl Gamble meet the team
Laura Garlow, DVM

Laura Garlow, DVM

Professional Services Veterinarian,
North Carolina (NC, SC, VA)

“The veterinary profession is full of wonderful people, and I am grateful for the opportunity to join Merck in a role that combines my passion for continuous learning with the opportunity to form genuine connections with so many dedicated veterinary professionals.”

Jeanne Goodfellow, DVM, RN

Sr. Professional Services Veterinarian
South Florida Region (FL)

“I enjoy getting to know other veterinarians and staff at the hospitals that I visit. After many years of working together to help them achieve their goals, a bond of trust forms.”

Dr. Jeanne Goodfellow meet the team
Dr. Laura Greene meet the team

Laura Greene, DVM, DACVIM

Sr. Professional Services Veterinarian
Internal Medicine, National

“Veterinary medicine is such an exciting and innovative field, and I am at my happiest when able to share my enthusiasm for all the new ways we are able to help our pets live longer and healthier lives.”

Sumeet Gupta, DVM

Professional Services Veterinarian
Southern California

“Pets are not our whole life, but they make our lives whole.”

Dr. Erin Hatcher meet the team

Erin Hatcher, DVM

Sr. Professional Services Veterinarian
Low Country Region (FL, GA, SC)

“Merck Animal Health’s commitment to animals and science continues to pave the way for new and innovative products.”

Camille Heersche, DVM

Sr. Professional Services Veterinarian
Texoma Region (TX, OK)

“As a veterinarian, you’re not working with animals so much as you are working with people. I love that part of the job, and at Merck Animal Health, I get to do that all the time.”

Dr. Camille Heersche meet the team
Dr. Sharon Hubby, bio picture with her favorite friend

Sharon Hubby, VMD

Sr. Professional Services Veterinarian
Tri-State Region (CT, NJ, NY)

“I grew up with 14 dogs, 50 rats, 3 mice, 2 gerbils and a bunny. My desire to become a veterinarian began at a very early age and I never considered any other career.”

Nikhil Joshi, VMD

Sr. Professional Services Veterinarian
Mid-Atlantic Region (DC, DE, MD, PA)

“I am proud to be working with such accomplished, passionate, hard-working, and friendly people.”

Dr. Nikhil Joshi meet the team
Dr. Blythe Jurewicz with her furry best friend

Blythe Jurewicz, DVM

Senior Professional Services Veterinarian
Northern California Region (CA)

“Caring for and bonding with my patients and the people who care for them is one of the most rewarding parts of being a veterinarian.”

Todd Knappenberger, DVM

Professional Services Veterinarian
South Central Region

“It’s humbling to get to work for a company and with a network of individuals who are so dedicated to science, animal health, and the veterinary profession.”

Kristy Knowles, DVM

Kristy Knowles, DVM

Sr. Professional Services Veterinarian,
Lone Star Region (TX)

“As a member of the Merck Professional Services Team, I have an opportunity to consistently collaborate with veterinary professionals across the country.  It’s incredibly humbling and rewarding to know that the information our team shares positively impacts the health of companion animals.”

Diane McDonald, VMD

Professional Services Veterinarian
Bayou Country Region (TX, LA)

“I’ve been so impressed with Merck Animal Health as a company, and my teammates as individuals. Everyone cares about doing the right thing in support of customers, patients, and communities at large.”

Dr. Diane McDonald meet the team
Maggie Nolin, DVM, MAB

Maggie Nolin, DVM, MAB

Sr. Professional Services Veterinarian,
Low Country Region (SC, FL, GA)

“For me, I am driven by two main philosophies: know more today about the world than I knew yesterday and lessen the suffering of others. You’d be surprised how far that gets you.”

Debra Olbrich, DVM, MS

Sr. Professional Services Veterinarian
Great Lakes Region (IA, IL)

“I can’t imagine my life without animals. They provide unconditional love to us and I get such a great feeling inside knowing that I can help that animal live a long and comfortable life.”

Dr. Debra Olbrich meet the team
Dr. Marck Pelham meet the team

Mark Pelham, DVM

Sr. Professional Services Veterinarian
Gulf Coast Region (AL, FL, LA, MS, TN)

“What I enjoy most about being a veterinarian is being part of that human-animal bond and helping those that can’t help themselves.”

Kerry E. Peterson, DVM

Sr. Professional Services Veterinarian
Heartland Region (IN, IL, KY)

“As a veterinarian, I am dedicated to enhancing the well-being of pets and the humans who love them, because every life deserves care, compassion, and a healthy future.”

Kerry E. Peterson, DVM
John Rehak, MBA, DVM

John Rehak, MBA, DVM

Associate Director,
Veterinary Professional Services
South Area

“Being a member of the Merck Professional Services Veterinary team is a wonderful opportunity to support the veterinary profession by providing education and solutions to advance companion animal healthcare.”

Keith Rohrer, DVM

Professional Services Veterinarian
Michiana Region (IN, MI, OH)

“Bonding with pets and their families through all life stages is the most rewarding aspect of this noble profession.”

Dr. Kieth Rohrer meet the team
Dr. Jennifer Scata

Jennifer Scata, DVM, CCRT

Sr. Professional Services Veterinarian
Central Texas Region (TX)

“I have always admired Merck Animal Health as a company because their values about animal well-being are closely aligned to my own.”

Staci Scolavino, VMD

Associate Director,
Veterinary Professional Services
Central Zone

“At Merck Animal Health, I get to work with an incredible team that is passionate about dogs and cats living long, healthy lives. The health and wellbeing of not only companion animals but those who take care of them are what drives us each and every day.”

Staci Scolavino, VMD
Dr. Keri Shaver meet the team

Keri Shaver, DVM

Associate Director,
Veterinary Professional Services,
East Area

“I love being able to partner with our colleagues to help them achieve their visions within their practices.”

Lori Schega Fernandez, DVM

Professional Services Veterinarian,
Bayou Country (AR, LA, MS)

“Loving animals is at the core of what we do, and veterinary medicine is the bridge that helps us care for them. Working at Merck Animal Health empowers me to bring both passion and cutting-edge science together, ensuring a healthier future for animals everywhere.”

Lori Schega, DVM
Dr. Matthew Stevens meet the team

Matthew Stevens, DVM

Sr. Professional Services Veterinarian
Midwest Region (KY, IN, IL)

“Growing up, we had every type of critter there was. Dogs and cats to birds and iguanas. I always enjoyed not only our pets, but also the interactions with our veterinarian and the staff.”

Taylor Tillery, DVM

Veterinary Academic & Industry Liaison Lead
Veterinary & Consumer Affairs

“We have great diversity of thoughts and opinions from some very intelligent veterinary teammates that push me to always work harder, think differently and be better.”

DVM, Veterinary Academic & Industry Liaison Lead Veterinary & Consumer Affairs
Dr. Meg Warner meet the team

Margaret Warner, DVM, MS

Sr. Professional Services Veterinarian
North Central Region (WI, MN, ND, SD, NE)

“Merck Animal Health is as passionate about veterinarians and veterinary medicine as I am.”

Christina Wheeler, DVM

Professional Services Veterinarian
Shenandoah Region (VA, WV)

“As a veterinarian, I feel fortunate to be part of a profession that affords me the opportunity to constantly learn. What I love most about being part of the Merck Animal Health Team is the commitment to the veterinary community through science and education.”

Dr. Christina Wheeler meet the team

EQUINE

Duane E. Chappell, DVM

Associate Director
Equine Pharmacovigilance and Professional Services

Dr. Chappell’s areas of interest include reproduction, dentistry, infectious disease, preventative care, vaccinology and biosecurity.

Bryant Craig, DVM

Associate Director, Scientific Sales Affairs
Lead for Equine Professional Services and Pharmacovigilance

Dr. Craig’s areas of interest include reproduction, sports medicine and lameness, herd health, infectious disease, preventative care and vaccinology.

Chrissie Pariseau,

DVM, MS, DABVP (Equine Practice), cVMA

Senior Equine Professional Services Veterinarian

Dr. Pariseau’s areas of interest include infectious disease and preventive care, ophthalmology, emergency care in the field and acupuncture.

Cara Wright,

DVM, MS, IVCA

Senior Equine Professional Services Veterinarian

Dr. Wright’s areas of interest include sports medicine and adjunct therapies, geriatric horses, and emergency care.

Phil van Harreveld,

DVM, MS, DACVS-LA

Senior Equine Professional Services Veterinarian

Dr. van Harreveld’s areas of interest include lameness examination, soft tissue surgery, reproductive surgery, management of medical and surgical equine colic.

LIVESTOCK

Use the contact form to get in touch with the livestock Technical Services team.