Terri Irrer 

Billing & Office Manager

Terri's life revolves around her home in Michigan, where she shares her space with her husband Kevin and their two adorable dogs, Venti and Ladybug. When she's not soaking up the comforts of home, Terri can be found pursuing her passion for equestrian sports, particularly competing in the hunters with her charming young horse, Maestro. To escape the harsh Michigan winters, Terri heads down to sunny Wellington, Florida, where she can bask in warmth and continue pursuing her equestrian endeavors without the hassle of snow.

In addition to her busy equestrian schedule, Terri plays a crucial role in our office operations. As a master of multitasking, she manages various office tasks and handles billing with finesse. Her expertise extends beyond the confines of our office walls, as she lends her skills to show offices across the country. When it comes to questions about billing and invoices, Terri is the go-to person, offering clarity and efficiency to our processes.

Terri's dedication and expertise are indispensable to our team. We rely on her organizational prowess and attention to detail to keep our operations running smoothly. Her contributions ensure that we can focus on delivering top-notch service to our clients, and we're incredibly grateful to have her as part of our team.

Madalyn Kalscheur

Associate Veterinarian 

Dr. Maddy Kalscheur, originally from Menomonie, WI, developed a passion for horses at a young age. Growing up as an active Pony Clubber and eventer, her enthusiasm for equine medicine continued to flourish over the years. Pursuing her aspirations, she enrolled at the University of Minnesota in the Twin Cities and was admitted to the College of Veterinary Medicine in 2015. After graduating, Dr. Kalscheur pursued a year-long equine internship at Mid-Atlantic Equine Medical Center in Ringoes, New Jersey, to further enhance her skills.

Driven by her commitment to expanding her knowledge, she joined East-West Equine Sports Medicine, where she has loved working on the hunter/jumper show circuits nationwide. Dr. Kalscheur's professional focus centers on sports medicine & lameness and emergency care within the veterinary field. Outside of work, she loves spending time with her husband, Matthew, and their golden retriever, Louise back in Minnesota. She also finds joy in exploring the outdoors through hiking and traveling.

Lori Bidwell, DVM, DACVAA, CVA 

Co-Owner & Founder 

Dr. Lori Bidwell has an impressive background in veterinary medicine, specializing in anesthesia and holistic therapies. She earned her DVM from Michigan State University in 2001, where she also completed her anesthesia residency. As a diplomat of the American College of Veterinary Anesthesiologists, she holds a prestigious accreditation in her field. Additionally, Dr. Bidwell is certified in veterinary acupuncture and massage therapy, demonstrating her commitment to holistic animal care.

Following her residency, Dr. Bidwell took on leadership roles at renowned institutions such as Rood and Riddle Equine Hospital in Lexington, where she headed the anesthesia department. She has also contributed her expertise to academia, serving on the faculty at Ross University School of Veterinary Medicine and Michigan State University.

In her professional career, Dr. Bidwell has been affiliated with prominent equine surgery and sports medicine centers, including Lexington Equine Surgery and Sports Medicine and Circle Oak Equine. Her extensive experience spans both academic and clinical settings, solidifying her reputation as a skilled anesthesiologist and educator.

Outside of her professional endeavors, Dr. Bidwell is an avid equestrian who competes in the amateur jumper divisions with her horses Nim, Dirck Z, and Currabawn Rambo. Her passion for horses extends beyond competition; she and Dr. Peters are involved in breeding jumpers through Five O'Clock Farm, with locations in Lexington, Kentucky, and Traverse City, Michigan. Their dedication to breeding high-quality sport horses reflects their commitment to advancing equestrian excellence.  

Duncan Peters, DVM, DACVSMR,

Certified ISELP Member / Co-Owner & Founder 

​Dr. Peters is a distinguished figure in the field of equine health, particularly renowned for his expertise in locomotor pathology, diagnosis, and treatment, aimed at optimizing sport horse performance. As a licensed Federation Equestrian Internationale (FEI) Veterinary Delegate, he holds authority in multiple disciplines, being FEI certified in dressage, eventing, jumping, driving, vaulting, and reining. This breadth of certification underscores his comprehensive understanding of equine sports medicine across various disciplines.

With a wealth of experience, Dr. Peters has held notable positions in academia and clinical practice. He served as the Director of the Clinical Equine Sports Medicine Program and as an associate professor of Large Animal Clinical Sciences at Michigan State University’s College of Veterinary Medicine. Additionally, he made significant contributions during his tenure at Hagyard Equine Medical Institute as the Director of the Sport Horse Division. His involvement in developing Pioneer Equine in Oakdale, CA, further solidifies his influence in advancing equine health and performance.

Beyond his professional commitments, Dr. Peters is deeply engaged in assisting clients with managing their sport horse programs. His active participation in hunter/jumper shows underscores his commitment to staying connected with the equestrian community and understanding the challenges and nuances of competitive riding.

In his leisure time, Dr. Peters finds solace in fly fishing, a pursuit that complements his dedication to nature and the outdoors. This balance between professional rigor and personal interests reflects his holistic approach to life and his multifaceted contributions to the field of equine medicine and sport.




Maureen Sullivan 


Maureen's journey from the West Coast to the heart of Kentucky's equine industry is a testament to her adaptability and determination. Starting with a vet tech internship at Hagyard Equine, she quickly established herself within the equestrian community. However, recognizing the need to diversify her skills, she transitioned into the realm of financial management, founding her own bookkeeping firm in 2014 to serve the specialized needs of equine-related businesses.

The loss of her beloved horse Coogan in 2020 prompted a period of reflection, leading Maureen to embark on a journey of self-discovery. Embracing a nomadic lifestyle, she combined her expertise in bookkeeping with pet sitting, leveraging her skills to sustain her travels while indulging her love for animals.

At East-West, Maureen plays a pivotal role in maintaining operational efficiency, overseeing critical financial tasks such as payroll. Her meticulous attention to detail and strategic acumen ensure the smooth functioning of the organization, earning her the trust and respect of colleagues.

Despite her professional prowess, Maureen remains approachable and personable, fostering a collaborative and harmonious work environment. Her blend of business savvy and compassionate spirit makes her an invaluable asset to the team, embodying the ethos of dedication and excellence that defines East-West. 

Sara Holtz, M.S. 

Veterinary Technician 

Sara's professional journey began at the University of Idaho, where she balanced her academic pursuits with managing the university's intercollegiate polo team. Graduating with a B.S. in Animal Science in 2016, she ventured into the equestrian industry with a KEMI internship at Lane's End Oak Tree in Kentucky, gaining invaluable experience in Thoroughbred breeding and handling.

Transitioning to the role of head show groom for renowned equestrian athlete Will Coleman, Sara immersed herself in elite show grooming, attending prestigious events such as the Rolex Three Day Event and the 2018 World Equestrian Games in Tryon, NC.

During her time with Will Coleman, Sara developed a deep respect for Dr. Peters, a prominent Sports Medicine Veterinarian. In 2020 changed paths and  pursued graduate studies at Middle Tennessee State University, focusing on equine nutrition, physiology, and event management. Her thesis, "The Use and Perceptions of Alternative Therapies in the Horse Industry," showcased her dedication to understanding evolving equine care practices.

Armed with her M.S. in Horse Science Industry Management, Sara returned to Lexington, Kentucky, where she joined Dr. Peters and Dr. Bidwell's esteemed practice as a technician. Outside of work, she enjoys exploring Kentucky, Michigan, and Southern California with her two dogs Henry and Indio, and her cat Lucifer and embracing the diverse experiences each region offers.