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Get to Know Our Leaders

Learn more about the professional and personal lives of the executive team and Medical Operations Advisory Board at BluePearl.

Bringing a diverse array of experiences, our leadership team has helped BluePearl become the fastest-growing network of specialty and emergency animal hospitals in the country.

Darryl Shaw, Chief Executive Officer

A founder and the Chief Executive Officer of BluePearl, Darryl has led the company since 1996 when he and his brother Neil, a board-certified veterinary internist, opened their first specialty hospital in Tampa

Darryl earned an undergraduate degree in international commerce from Brown University and an MBA in finance and marketing from Northwestern University’s Kellogg Graduate School of Management.

At home, Darryl’s family includes two energetic pups: a yellow lab and a Dalmatian.

When people bring their babies to us, they’re part of the family. And we want to ensure that we’re delivering the most remarkable care.

Darryl Shaw

Jimmy Barr, DVM, DACVECC, Chief Medical Officer 

Jimmy directs medical operations at BluePearl’s family of specialty and emergency hospitals. A native of northern Louisiana, Jimmy holds undergraduate and veterinary degrees from Louisiana State University.

He was a staff criticalist at Florida Veterinary Specialists (BluePearl’s original hospital), then left to teach at Texas A&M University in 2009. He returned to BluePearl in 2017 to serve as a Group Medical Director, before becoming our Chief Medical Officer.


Portrait of a man in a striped shirt.Nicholas R. Nelson, DVM, MBA, DABVP (Canine & Feline Practice), Chief Operating Officer

Nick brings to BluePearl over 25 years of experience in the veterinary industry. He began his career as a veterinarian in Washington where he helped build a thriving 24-hour multidisciplinary practice.

He has also worked as a Regional Medical Director for VCA in the Pacific Northwest and at Pet Partners as Chief Medical Officer and President.

Of all of his accomplishments to date, his proudest remains his son, Thomas.

Man with suit on and brown hair

Trevor Adams, CPA, Chief Financial Officer
Trevor leads BluePearl’s finance team including financial reporting, planning and analysis, accounting, and procurement.
Prior to joining BluePearl, Trevor held various finance leadership roles within Mars Petcare. He earned his bachelor’s and master’s degrees in accounting from Brigham Young University.
He enjoys spending time with his family and an occasional round of golf.

Joo Sangrene, Chief Marketing Officer

Joo joined BluePearl in 2015 and directs marketing strategy for the organization. She leads digital marketing, communications, customer experience, creative services and pricing.

She holds a bachelor’s degree in public relations from the University of Minnesota and a MBA from the University of California, Los Angeles. Joo lives in Tampa with her husband, two children and a long-haired cat named Grumpies.

Jeff Fox, Chief Information Officer

Jeff joined BluePearl in 1999 and is responsible for BluePearl’s technology strategy and managing overall IT operations. 

He’s a graduate of the University of Florida with a bachelor’s of science degree in management.

Jeff enjoys time with his wife, two sons and his two dogs, Striker and Keeper.

Yolanda Jameson, General Counsel

Yolanda oversees all of BluePearl’s legal matters. She holds a bachelor’s degree from the University of Florida and graduated from Stetson University College of Law before returning to the University of Florida Levin College of Law for a Master of Laws in Taxation.  

As a Florida native, Yolanda enjoys spending time in the sunshine and on the water with her husband, two children, and their three dogs.  

Angela Calderone, Vice President of People & Organization

Angela is responsible for leadership, vision and strategic planning in the People & Organization area, which includes associate relations, recruiting, compensation, benefits and talent and learning.

A Wisconsin native, she received her undergraduate degree in psychology at the University of Wisconsin-LaCrosse. Angela enjoys spending time with her husband and two kids. She loves running, going to the beach and traveling.

Veterinary Leaders

The Medical Operations Advisory Board (MOAB) guides medical operations for BluePearl.


Jimmy Barr
Chief Medical Officer and Chairperson of the Medical Operations Advisory Board

Darryl Shaw
Chief Executive Officer

It’s a great privilege to work with some of the brightest minds and biggest hearts in the profession. Their dedication to providing remarkable care for pets is inspiring.

Jimmy Barr, Chief Medical Officer

Dr. Martha Bennett is an emergency medicine veterinarian.

Martha Bennett, DVM
MER Medical Director – Nashville

A BluePearl Associate for nine years, Martha is an ER clinician in the Nashville, TN market. She is both an ER Medical Director and the Co-Director of the internship program, providing her leadership expertise for the past six years.

Lauren Boyd, DVM, DACVIM
Medical Director – Detroit

Lauren joined BluePearl in 2011 and works in our Michigan hospitals. She is board-certified in internal medicine. She completed her residency in internal medicine at Animal Medical Center in New York City and her internship in small animal medicine and surgery at Veterinary Referral and Emergency Center in Norwalk, Connecticut. She earned her DVM from The Ohio State University in Columbus.

When she’s not working, Lauren enjoys reading, cooking, horseback riding and hanging out with her husband, son, two cats named Cody and Clancy, and her Jack Russell terrier named Tucker.

Meredith Daly, VMD, DACVECC
Medical Quality Director

Meredith is the Director of Medical Quality for BluePearl. She has been the co-director of critical care at BluePearl’s Midtown hospital in New York since 2007.

A graduate of the University of Pennsylvania School of Veterinary Medicine, Meredith completed a rotating internship in small animal medicine and surgery at the University of Pennsylvania in 2004. Following her internship, she completed a residency in small animal emergency and critical care at the University of Pennsylvania in 2007. She became board-certified by the American College of Veterinary Emergency and Critical Care in 2007.

Mark Dorfman, DVM, DACVIM
Regional Vice President, Medicine

Mark is one of the founding partners of Georgia Veterinary Specialists, which merged with BluePearl in 2010. He served on the BluePearl board of directors from 2010 to 2015.  He is currently a Regional Vice President of Medicine for the Southeast region. 

Board-certified in internal medicine, Mark completed his residency at the University of Georgia in Athens and his internship at Louisiana State University in Baton Rouge. He earned a master’s degree from University of Georgia and his DVM and undergraduate degrees from the University of Florida in Gainesville.

Mark loves spending time with his family and his dog, Odin. He also enjoys traveling, snow skiing, spending time at the beach, sampling restaurants around Atlanta and weight training.

Dr. Joshua Lachowicz is board certified in veterinary oncology.

Joshua Lachowicz, DVM, DACVIM
Medical Director – Queens

Joshua has been with BluePearl for ten years and is a Medical Oncologist at our Queens, NY hospital. He has also served as Medical Director for two hospitals in New York and New Jersey and recently graduated from an accelerated leadership training course through MARS Vet Health.

Erick Mears, DVM, DACVIM
Medical Director – Tampa Bay

Erick has been with BluePearl and its predecessor, Florida Veterinary Specialists, since 1997.

Erick earned his undergraduate degree from Stanford University and his DVM from Tuskegee University in Alabama. Board-certified in veterinary internal medicine, Erick completed his residency and his internship at the University of Tennessee in Knoxville.

Erick enjoys spending time with his family and Bosco, the family cat.

Andrea Monnig, DVM, DACVECC
Director of Clinical Development

Dr. Andrea Monnig is Board Certified in Emergency and Critical Care. She began working as a staff Criticalist in Franklin, TN in June 2015 until she assumed her current role as the Director of Clinical Development in June 2019. In this role Dr. Monnig oversees all of the House Officer Programs. 

Anthony Pardo, MS, DVM, DACVS
Medical Director – Pittsburgh

Anthony is a Co-Medical Director at Pittsburgh Veterinary Specialty and Emergency Center (PVSEC), which became a BluePearl hospital in 2017.

He earned his master’s degree and his DVM from the University of California, Davis. After an internship at the Animal Medical Center in New York City, he completed a residency program in small animal surgery at the University of Tennessee. Following his residency, Dr. Pardo taught on the surgical faculty at the University of Tennessee College of Veterinary Medicine for 5 years. In 1993, he moved to Pittsburgh and established Pittsburgh Veterinary Surgery P.C.

Anthony has authored more than 20 articles and veterinary textbook chapters and lectured extensively on various topics related to small animal surgery at national and local veterinary conferences.

He continues to work as a veterinary surgeon at PVSEC in addition to his duties as an adjunct assistant professor of orthopedic surgery at University of Pittsburgh.

In his spare time, Anthony enjoys the outdoors, fly fishing, biking and is an avid bowler.

Laura Tseng DVM, DACVECC
Medical Director – Philadelphia

Laura was an owner and co-hospital director of Veterinary Specialty and Emergency Center (VSEC) in Pennsylvania, which became a BluePearl pet hospital in 2015. In addition to clinical time in ICU, she is now a Medical Director for the three Philadelphia area hospitals. 

Laura earned her undergraduate degree from Connecticut College and her DVM at Tufts University. She completed her internship, fellowship and residency at the University of Pennsylvania. She has been board-certified in veterinary emergency and critical care medicine since 2002. 

When she’s not working, Laura enjoys hiking, biking and traveling with her husband and three children. She recently became a chicken owner and is enjoying raising 6 chicks.