Our Team

The team members of Not One More Vet come from diverse backgrounds and bring unique experiences to the organization. But for all the things that make them different, they are all united by their love of the veterinary profession and a commitment to helping its people thrive.

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Board of Directors

Tiffany Tupler, DVM CBCC-KA, HABc

Incoming Board Member

Dr. Tiffany Tupler, DVM, CBCC-KA, HABc, graduated from the University of Florida College of Veterinary  Medicine with a certificate in shelter medicine in 2012. Before enrolling at the University of Florida, she spent 15+ years working as a licensed veterinary technician in specialty medicine with an interest in anesthesia and orthopedics. As a veterinarian, she received certificates in the human-animal bond and fear-free shelters. She worked for 10+ years at various animal welfare organizations helping create outreach programs and access to care in underserved communities by offering spectrum of care medicine.  Her professional interests include community medicine and  accessibility to care, shelter medicine, veterinary forensics, disaster response, and small animal behavior and training education. She devotes much of her time assisting domestic and international animal welfare organizations with community medicine and high volume/high quality spay neuter projects. When she’s not practicing veterinary medicine, she volunteers at a local nonprofit book house that supports literacy programs for children and adults. She enjoys traveling and hiking all over the world with Morty, her amazing superpup, vegan cooking with her 4 cats – Bitty, Tomato, Carrot, and Franklin -board game nights with friends and having deep discussions about the Star Wars universe.

Thomas Vega, DVM

Incoming Board Member

Dr. Thomas Vega is a Chicago-based veterinarian, relief practitioner, and the Founder and Chief Medical Officer of Concierge Companions Vet Med, a concierge mobile veterinary practice dedicated to strengthening the human–animal bond through accessible, relationship-driven care. As a highly regarded relief veterinarian, he supports hospitals across the Chicagoland area with a focus on collaboration, communication, and compassionate medicine. Dr. Vega is a second-career veterinarian, bringing an extensive background in communications leadership, project management, and people development. His first career centered on guiding teams, supporting individuals, optimizing workflows, and cultivating healthy workplace culture—experience that informs his deep commitment to advancing wellbeing within the veterinary profession. He joins the Not One More Vet Board of Directors with a passion for service, advocacy, and creating sustainable support systems for veterinary professionals at all stages of their careers. Outside of veterinary medicine, Dr. Vega enjoys spending time with his husband, Daniel, and their two dogs: Boston Terrier Ellis Esquire and their newly adopted Chihuahua, Chencho.

Charlotte Weir, Practice Manager

Incoming Board Member

Charlotte Weir is passionate about building happy, healthy, and productive teams that help veterinary businesses thrive. With more than a decade of experience across advisory, startup leadership, and founder roles, she specializes in growth that is smart, sustainable, and grounded in real-world operations.  She helped start and scale Petwell Partners from a small group of Texas clinics to 52 practices and later drove Roo’s expansion from a small Texas startup to a nationwide platform. As co-owner of 2525 Sunset Veterinarians, Charlotte stays closely connected to the daily work of creating positive experiences for pets, clients, and teams. She’s driven by a belief that when teams are supported and aligned, the entire veterinary community benefits.

Staff

Gigi Tsontos, LCSW, MPA, PCC

Executive Director

Gigi Tsontos,  aka, Angelique, joined NOMV in January 2024. After studying Social Welfare Policy at the University of Kansas, Gigi spent two years in Mali West Africa as a Peace Corps Volunteer, returning to complete a Master of Science in Social Work at Columbia University and a second Masters in Public Administration from San Diego State University. Her career led her to work in social services, homeless services, mental health, victims’ rights, and nutrition supporting administrative roles and becoming a clinical social worker licensed in California and Kansas. Gigi lives in Kansas with her husband and 5 furry children. She sees the world as her home and has traveled extensively.

Danielle Constein

Director of Finance & Operations

Danielle’s desire to work on causes close to her heart led her to leave a career in restaurant management for the non-profit world. As the Operations Manager at Heart Mountain Wyoming Foundation, Danielle served the WWII Japanese American Incarceration Site with a variety of duties from financial management to program creation to volunteer management.

In September 2020, Danielle joined NOMV, an organization that speaks to her heart. She began as the operations administrator and has moved into the role of Director of Finance & Special Projects​. Danielle, who lives less than an hour from Yellowstone National Park, is an avid adventurer with a love of the land, which she explores with her husband and their Dachshund, Bugg.

Danny Rosenmund

Director of Programs & Outreach

Danny came to work at the intersections of people and animals while completing his Master’s in Historical Musicology at the University of Pittsburgh in 2015. Since then, he has held a wide variety of roles at non-profit animal shelters ranging from front-line kennel work and admissions counseling to volunteer coordination and shelter management. He joined NOMV in October 2021 in part to help support the veterinary professionals that he worked with in sheltering. He is committed to helping people who love animals have the resources they need. Originally from Virginia, Danny lives in western Pennsylvania with his wife and their shelter alumni: cats Louie and Eliza, and dogs Jolene and Annabelle.

Katie Lawlor

Director of VMHS

Katie received her doctorate from the joint program between the Stanford University Department of Psychiatry and Behavioral Sciences and the Pacific Graduate School of Psychology. She trained at both the Stanford University Medical Center and the VA Palo Alto Health Care System, focusing on Cognitive Behavioral Therapy (CBT), neuropsychology, and human-animal interactions (HAI). Before her career in clinical psychology, Dr. Lawlor held positions with NBC News in Beijing and New York City, the U.S. Department of State in Washington DC, and the Governor’s Office of California. She holds a Master’s in economic policy from Columbia University and a BA from the University of Notre Dame.

Susie Mitchell

CLEAR Blueprint Program Manager

Susie spent 12 years working as a veterinary technician, where she experienced firsthand both the rewards and challenges of the profession. Inspired to support others in the field, she went on to complete her Master of Science in Social Work (MSSW) with a focus in Veterinary Social Work (VSW) at the University of Tennessee. Susie is passionate about helping veterinary professionals care for their well-being so they can thrive in their work and lives. When she’s not working, she loves cooking, camping, road trips to National Parks, and spending time with her two dogs and one cat.

Cassiopeia Lee

Programs Specialist

In the late 20th century, Cass was born on the West Coast of the United States. They graduated from the University of California, Santa Cruz with a bachelor’s in community studies focusing on health justice. Cass joined NOMV in March 2023 after previously working as a public assistance caseworker. They enjoy a variety of enrichment activities such as cooking, gardening, and playing the guitar.

 

Kendall Johnson

Operations & Volunteer Specialist

Kendall has a B.S. in Wildlife Conservation from Unity Environmental University and a B.A. in Music Education from Truman State University. She joined NOMV in 2024 after previously doing environmental justice work in the nonprofit sector. As the child of two veterinarians, Kendall grew up immersed in vet med and has worked with veterinary professionals for two decades. She deeply understands the importance of mental health awareness in the field, and is a passionate advocate for improving mental health and access to resources in the veterinary community and beyond.

She currently lives on a farm just outside of Kansas City, MO with her horses, dog, cat, ball python, and chickens. In her free time, Kendall enjoys riding horses, spending time in her garden, and exploring nature.

Garrett Lloyd

Communications & Development Coordinator

Garrett Lloyd is a creative strategist with many years of experience leading communications and fundraising for non-profit organizations. He obtained bachelor’s degrees in marketing and communication from the University of Massachusetts, Boston. Garrett is excited about supporting NOMV and raising awareness of mental health in the veterinary field. In his free time, Garrett enjoys playing sports, cooking, and playing with his dogs.