Our Team

Our Nursing Team

Veterinary technicians (also called “nurses”) play a vital role in the care, safety, and comfort of every hospitalized patient. As in a human hospital, these skilled professionals interface closely with patients and doctors, ensuring that each patient receives expert attention around the clock. We are very proud of the team of caring and highly-skilled veterinary nurses on our staff; we believe they provide the finest level of care available.

Our skilled and compassionate client service team understands the challenges of caring for a sick or injured pet. These talented individuals have elected to work in the veterinary field because they, too, are “animal lovers.” Their goal is to help you and your pet through a difficult time by providing consistently friendly and efficient service.

Our Management Team

Michelle Williams-Longmire

Michelle is our Hospital Director.  Michelle has been in the veterinary field since 2001, working at an East Bay emergency practice before joining us in 2007. Michelle began as a Client Service Representative working in the evening, and over time she transitioned to working during the day. She became our Client Service Manager in 2012, and Hospital Director in 2019. Michelle was born and raised in the Bay Area, and when she’s not at work, she enjoys spending time with her husband, 3 kids and her career change Guide Dog Kimchi. 

Lesley Milstead, RVT

Lesley is our Hospital Service Manager. Lesley, an east coast native, moved to San Francisco after college in 1994 and enrolled in a veterinary technology program in 1996. After passing her California RVT board exam in 1997, she immediately took a job as an emergency technician in the South Bay. She joined PESCM’s emergency and critical care department in July 2006, and became the Nursing Manager in 2014 before moving into the role of PESCM's Hospital Service Manager in 2019. In her spare time, she likes to cook, make bread, drink wine, travel, run, and spend time with her husband and 3 dogs, Soleil, Jean Paul, and Lorenzo. 

Monique Oyobio

Monique Is one of our Clinical Supervisors. Monique has spent most of her life caring for animals. She started as a volunteer at a general veterinary practice in 1998 and gradually worked her way up to a technician assistant over the course of the next 10 years. She graduated from Carrington College of California and received her RVT licensure shortly after joining PESCM’S emergency team in 2012 and eventually ran the Internal Medicine Department until 2018 when she became the Clinical Supervisor. In her spare time, she enjoys spending time with her two children, husband, and household of 3 dogs, 2 cats, and 2 guinea pigs!  

Jessica Lorenzetti

Jessica is one of our Clinical Supervisors.  Jessica has always had a passion for rescuing animals which led her to pursue a degree in Veterinary Technology as soon as she graduated from high school. After becoming an RVT in 2007, she spent several years at a small general practice in her hometown. A desire to explore emergency medicine brought her to PESCM in 2012.  In 2019 Jessica stepped into the role as one of our Clinical Supervisors.  A Bay Area native, she enjoys hiking with her husband and their 3 dogs (Dallas, Frankie & Amadeus), mid-day naps with the 2 cats (Leo & Wednesday), dancing, baking and social activism.

Anthony Wilson

Anthony is our weekend Client Care Supervisor.  Anthony was raised in the Crockett/Vallejo area. He received a football scholarship to attend the University of Wyoming where he majored in Criminal Justice and Psychology.  In 2010, he began a career in coaching and in 2013 he became the varsity wrestling coach at John Swett High School. After a 3-year run at John Swett, he became the varsity wrestling coach at Hercules High School until 2019. Anthony joined the PESCM family in 2018 and has found a passion in client service. In 2020 he became the weekend Client Care Supervisor.  In his free time, he enjoys a good hike to the middle of nowhere with good friends or playing basketball better than Steph Curry. No matter where he is in life, he is accompanied by his lovely girlfriend Erica and 2 large personality cats, big grey cat-dog Snicklefritz, and the newest addition to their home, a 3-legged kitten named Decapre.  

Bernadette Perez

Bernadette is our Daily Operations and Systems Coordinator. She works closely with our Leadership Team, analyzing the needs of the hospital, from client service to finances. 


She has been in the veterinary field since 2004 and joined our hospital as a Client Service Representative in 2013. Following her interests in hospital operations led her to an administrative track here at PESCM. When not at work, Bernadette enjoys time with her children and a myriad of animals.

Debbie Williams

Debbie is our Supply Chain Coordinator .  After working in the restaurant industry for over 10 years, Debbie decided to start a new venture in life.  Debbie joined PESCM in 2016 as one of our client service representatives.  In 2018 she was given the opportunity to work as our Inventory manager and has found a new passion in life.  While not at work Debbie likes to spend time with friends and family! 

Mary Ann Cuseo

Mary Ann serves as our hospital’s finance manager.  Mary Ann is both an experienced business professional as well as an animal lover.

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