President & Chief Medical Officer

Dr. David Leachman brings 20 years of clinical anesthesia practice and managerial experience to Main Street Anesthesia. His service as Chief Medical Officer of a multi-facility healthcare system, Chief of Anesthesia for a large national anesthesia organization, and Assistant Professor of Anesthesiology has prepared him to lead Main Street Anesthesia's clinical and team initiatives. Dr. Leachman's unique team and service approach builds strong anesthesia teams while promoting patient safety, clinical excellence, exceptional patient service, and compliance with regulatory guidelines. He graduated from and completed his Anesthesia Residency at The University of New Mexico School of Medicine. He also received an MBA from Auburn University.  See Dr. Leachman's full bio here.

Chief Executive Officer

Mike has spent the last 10 years helping hospitals and surgery centers improve anesthesia services and lower their costs.  Before founding Main Street Anesthesia, he helped an anesthesia group in Texas become the fastest growing anesthesia company in the US, growing from 22 sites to 182 sites in 20 states.  Mike is from the Fort Worth, Texas area and is proud to have graduated from Texas Christian University’s M.J. Neeley School of Business with a degree in accounting.  Mike is known for his authenticity, attention to detail, and easy-going way, helping him to earn the trust and respect of his many clients, colleagues, and clinical leaders.  Mike wants Main Street Anesthesia “to offer the highest quality and value in everything we do while being true friends and partners with our clients.”

Chief Operating Officer

Patrick has spent the majority of his career in the multi-site healthcare services arena as both an Operations and BizDev leader, including PE-backed practice management groups and dental support organizations. He has been responsible for operations across multiple states, managing profit and loss for practices and providing leadership to teams generating as much as 140 million in revenue. Patrick formed and led a team of clinicians and support personnel that doubled the specialty dentistry revenue for a mid-sized DSO in a short 18 months, while also crystallizing systems and processes for 40-plus offices across four cities.  He’s played integral roles in M&A efforts, serving on deal teams that have closed over 80 million in assets, while also spending time securing hospital contracts for anesthesia and urology service lines.  Having a talent for simplifying tasks and revenue drivers for teammates, Patrick is energized by developing a culture that attracts the best employees and provides the best patient experience. He received his undergraduate degree from the University of Buffalo and MBA from the University of Texas McCombs School of Business.

Outside of work, Patrick demonstrates a passion for being an active contributor to his community’s overall health and well-being by volunteering as a small group leader at his local church and coaching youth sports teams. He loves spending time outdoors hunting, fishing, hiking, camping, gardening, and watching his kids play sports.

Chief Financial Officer

Shawn has built his career on a service-first mindset in both finance and operations. Having joined Main Street in 2019, Shawn brings experience in financial analysis and reporting, revenue management, data analytics, project management, and “getting stuff done.”  He is energized by enabling people to achieve their highest potential and is known for leading through humor and empathy. Shawn is originally from the great state of Minnesota but moved to Texas as fast has he could. Shawn received his undergraduate degree from Gustavus Adolphus College and his MBA from Texas Christian University’s M.J. Neeley School of Business. He enjoys reading, exploring National Parks, discovering new places to eat, and spending time with his family.


Chief Anesthetist Officer



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