Leadership Team


Tony Mira | Chief Executive Officer
Mr. Mira is CEO of Plexus Technology Group, a wholly-owned subsidiary of MiraMed Global Services, Inc. Plexus Technology Group is a market-leading best-of-breed anesthesia information management and medication management systems provider. Based on a vision of offering customizable solutions to healthcare organizations, Mr. Mira began his work in healthcare in 1979. By bringing these companies together under the MiraMed moniker, MiraMed Global Services is one of the largest healthcare services companies in the United States.

  Bryan Sullivan, PMP | Chief Operating Officer
Mr. Sullivan joined Plexus Technology Group (Plexus TG) in 2017 as Chief Operating Officer. Mr. Sullivan currently manages the MiraMed Qualified Clinical Data Registry (QCDR) and all other quality management matters for the Plexus TG and for Anesthesia Business Consultants (ABC) clients. Mr. Sullivan began his career with the implementation of clinical trial management platforms for pharmaceutical companies until he made the transition to healthcare IT in the anesthesia software space in 2008. Mr. Sullivan deployed anesthesia information management systems for eko Systems until he joined the ABC team in 2011. He has a Bachelor of Science degree in Business Administration from the College of William & Mary. Sullivan is also a Project Management Professional, PMP#458441, through the Project Management Institute (PMI).
  Doug Marcey | Chief Technology Officer
Mr. Marcey has been working in software for over 20 years as a developer, architect, leader, consultant, and coach. In his role as Chief Technology Officer, he is responsible for setting the vision and managing with the team to create and maintain the Plexus Technology Group platforms and applications. Prior to working with Plexus Technology Group, Mr. Marcey worked in a variety of roles and software projects across the Defense, Government, Healthcare, Non-profit, Entertainment, and Financial sectors; including working as Chief Architect of the Frontiers AIMS/Perioperative documentation platform from 2005-2010. Mr. Marcey's undergraduate focused on Computer Science, Mathematics, and Linguistics and his graduate research was in artificial intelligence and physics.


Leslie Warren | Vice President of Operations
Ms. Warren joined Plexus Technology Group in 2018 as Vice President of Operations. She oversees the day-to-day operations of the implementation and customer service teams to support the growth of Plexus TG. Warren directs the operations of the organization in support of its goals by focusing on strategic planning and goal-setting. She brings over 20 years of management experience in the healthcare information technology industry.  Prior to joining Plexus TG, Ms. Warren managed a consulting firm to provide vendor neutral assistance to physicians in electronic medical records (EMR) workflow analysis, implementation and optimization. Most recently she spent over three years working with anesthesia and pain management providers in both ambulatory and acute care facilities managing their practice and implementing anesthesia EMR systems. She is also a former co-chair and member of the Ambulatory Meaningful Use Center of Excellence Work Group Committee of HIMSS National. Warren received her Bachelor of Arts degree in speech communication from Northern Arizona University in 1994 and in 1997 she earned her master’s degree in industrial and organizational psychology from the University of Houston.



Related Press Releases

Joseph Gentile Named Senior Vice President of Sales at Plexus Technology Group
(June 20, 2016) Plexus Technology Group Joseph P. Gentile as Senior Vice President of Sales. In overseeing Plexus TG’s sales infrastructure, Mr. Gentile will direct all aspects of the company’s strategic business development and global sales. In addition, he is responsible for building, maintaining and enhancing relationships with new and existing partners.

Plexus Technology Group Welcomes Doug Marcey as Vice President of Technology
(May 31, 2016) Plexus Technology Group is pleased to announce the addition of Doug Marcey as Vice President of Technology. In this new capacity, Mr. Marcey will establish and lead all aspects of the company’s technological development. He will collaborate with each department and Plexus TG customers to determine the expansion of new products, product features and enhancements.