About Animal Dermatology Group

About Us

Animal Dermatology Group, Inc. (ADG), is a United States based, privately-owned, veterinary dermatology specialty company with the world’s largest unified group of veterinary dermatology specialists engaged in the diagnosis and treatment of acute and chronic skin conditions in pets. Operating our clinical practices under the name “Animal Dermatology Clinic”, we are recognized as a national and international leader in innovative veterinary dermatology, providing unsurpassed care to patients and valuable peace of mind for pet owners.

Founded by Dr. Craig Griffin in 1980 with the mission to make state-of-the-art veterinary dermatology care available to pet owners everywhere, ADG’s pet healthcare reach now includes over 40 primary and satellite locations in the United States, as well as facilities in Australia and New Zealand, bringing unique, specialized dermatology care to pets.

ADG has the distinction of being the first non-academic organization approved by the American College of Veterinary Dermatology (ACVD) to provide a Residency Training Program, and currently, we are the largest qualified ACVD Residency Program preparing the next generation of board certified dermatologists. ADG is very proud of this important responsibility to help shape the future thought leaders of our field.

Today, ADG has over 60 veterinary specialists actively involved in clinical care, research and academic training to advance the field of veterinary dermatology and working every day to develop and refine the cutting-edge diagnostic testing and treatment techniques used in our specialty practices.

Core Values

Teamwork

We promote an environment of communication, trust and efficiency to our clients and each other.

Respect

We are committed to treating our community and their animal companions with courtesy, dignity and understanding.

Pioneering

We strive to be the leaders in education, innovation and advancement of knowledge in Veterinary Dermatology.

Integrity

We pledge to provide honest and ethical service to our clients and animal companions.

Compassion

We value the human animal bond and we strive to enrich the lives of our clients and animal companions.

Character

We strive to bring a level of integrity and intention to every client and animal interaction we have.

Executive Leadership

Steve Mrha

Chief Executive Officer

Stephen Hui

Chief Financial Officer

Deena Winter

Vice President of Operations

Finance

Mario Pacheco

Controller

Stephanie Corona

Director of Financial Systems

Regina Staszak

Accounts Payable Manager

Pedro Zecena

Senior Accountant

Justin McNeil

Accountant

Medical and Operations

Rusty Muse

Medical Director

Andrew Rosenberg

Director of Medical Operations

Samantha Ridgeway

Regional Vice President of Operations (West)

Keith Hernandez

District Manager

Kacey Randell

District Manager

Kyle Smith

District Manager

Human Resources

Julia Moon, SHRM-CP

Vice President of Human Resources

Julianne Chen

Human Resources Business Partner

Business Development

Tracey Winfree

Head of Business Development

Lauren Gray

Merger & Acquisition Manager

Joel Griffies

Director of University Relations

Project Management Office

Tyler Gibson

Project Director

Anne Mercado

Project Manager: Business Integrations

Kelsey Westerman

Senior Project Manager

Carly Schroeder

Project Manager

Breanna Ellis

EzyVet Coordinator

Field Support

Lily Nguyen

Purchasing Manager

Destiny Senatus

Inventory & Purchasing Specialist

Raymond Boon

Contact Center Manager

Ava Carlen

Contact Center Representative

Meshia Dorsey

Contact Center Representative

Lyndsay McPherson

Contact Center Representative

Samantha Smith

Contact Center Representative

Top Reasons to Join
Animal Dermatology Group

ADG has the largest and most diverse community of veterinary dermatologists of any private company in the world, offering unparalleled camaraderie and support for our doctors.
ADG is the first privately-owned facility approved by the American College of Veterinary Dermatology (ACVD) to provide a residency program. ADG provides the opportunity to mentor residents and shape the future of the specialty. To date, more than 35 doctors have successfully achieved Diplomate status after completing Animal Dermatology Group residency training.
Unmatched clinic operational support resources from ADG’s management team allows ADG dermatologists to focus on quality care for their patients.
ADG is committed to a healthy work-life balance for our team, encouraging personal and professional growth, and promoting compassion and exceptional patient care in an enriching and friendly work environment.
ADG is dedicated to staying at the forefront of innovation in veterinary dermatology, pioneering state of the art diagnostic and treatment techniques and world renowned expertise in areas such as laser surgery, video otoscopy and hyperbaric oxygen therapy.
The ADG medical team includes Past Presidents of the ACVD, recipients of the ACVD Award of Excellence, and numerous chairs, past chairs and members of ACVD, World Congress and North American Veterinary Dermatology Forum (NAVDF) organizing committees.
Academic research conducted by the ADG faculty has contributed substantially to the field of veterinary dermatology, including authorship of textbooks and countless textbook chapters, journal articles, peer-reviewed clinical studies and other significant academic achievements in veterinary medicine.
The ADG team includes two leading experts in dermatopathology and offers a specialized dermatopathology service to support Animal Dermatology Clinics, our referring veterinarians and the entire veterinary health community.

How can we help?

Pet Owners

Veterinarians

California

Florida

Georgia

Hawaii

Indiana

Kentucky

Maryland

Nevada

New Jersey

New York

North Carolina

Ohio

Oregon

South Carolina

Tennessee

Texas

Washington

About Animal Dermatology Group

About Us

Core Values

Teamwork

Respect

Pioneering

Integrity

Compassion

Character

Our Medical Team

Executive Leadership

Steve Mrha

Stephen Hui

Deena Winter

Finance

Mario Pacheco

Stephanie Corona

Regina Staszak

Pedro Zecena

Justin McNeil

Medical and Operations

Rusty Muse

Andrew Rosenberg

Samantha Ridgeway

Keith Hernandez

Kacey Randell

Kyle Smith

Human Resources

Julia Moon, SHRM-CP

Julianne Chen

Business Development

Tracey Winfree

Lauren Gray

Joel Griffies

Project Management Office

Tyler Gibson