With a 22 year career rich in business leadership, corporate change strategy, facilitation, and speaking engagements, Elizabeth is a strategic partner with business leaders in a wide range of industries who seek greater alignment and “leadership at all levels” as requisites for strategic success.

As an advisor to her executive clients, Elizabeth lends guidance in periods of growth and transition to the most critical elements in any change – the results and the people. She employs proven methodologies to hasten employee engagement, productivity, and leadership capacity.

As Senior Director, Clinical & Member Programs, Kelsey provides support to current and future clinical programs and member initiatives. She has extensive experience in hospital clinical operations, coming to OHA in March 2022 after serving nine years at OhioHealth as a Senior Risk Consultant. Kelsey is a native of Springfield, Ohio, and earned her Bachelor of Science in Nursing degree from Otterbein College.on

Ben Goodstein is a vice president and chief ambulatory officer at Dayton Children’s, plus president of Dayton Children's Specialty Physicians Inc. In this role, he is responsible for all of Dayton Children’s service lines, peri-operative services including sterile processing, outpatient specialty clinics and oversees the administration of medical imaging and laboratory, genetics, outpatient testing centers, rehab services, inpatient and outpatient pharmacy, specialty pharmacy and the behavioral health service line. In his role, as the Dayton Children's Specialty Physicians Inc., he is responsible for operations, recruiting, onboarding, compensation modeling, and contracting for all providers in partnership with our chief medical officer.  

Before coming to Dayton Children’s he served as the director of cardiovascular service line, operations and business development for Aurora BayCare Medical Center, 167-bed hospital serving the Green Bay area. As the director, he was responsible for the cardiac service line for three hospitals, 45 clinics and two surgery centers. Prior to joining Aurora Health Care, Goodstein served as director of service for GE Healthcare in Pittsburgh. He holds a bachelor’s degree in radiologic technology with a minor in business management from Marian University in Fond Du Lac, Wisconsin and a master’s in business administration with a finance concentration from Lakeland College in Sheboygan, Wisconsin.

Teresa is an Executive Assistant at Bon Secours Mercy Health, reporting to the Cincinnati Market President. Teresa brings experience from 25 years of executive level roles at Mercy Health - Cincinnati Region, HCA/TriStar Skyline Medical Center, HCA/TriStar Hendersonville Medical Center and Middle Tennessee Medical Center. Teresa Hubbard holds a 1992 - 1993 CPS @ PSI / IAAP with a robust skill set that includes Leadership, Outlook, Customer Service, Administrative Assistants, Event Planning and more.

Megan Hysell has over 20 years of experience in healthcare as a human resources professional and behavioral health executive. While she loved leading people, Megan sorely missed the creativity and connection of her education roots. She made a mid-career shift and now facilitates trainings & team discussions with leading healthcare professionals at Nationwide Children’s Hospital, one of Forbes 2025 best large employers.

Megan’s masters degree in sociology, unique blend of strategic knowledge and creativity coupled with her innate ability to connect with others has poised her to develop programming that meets the heartbeat of need for individual contributors throughout the healthcare system as well guiding leaders in how to help them grow. She co-founded and leads the Career Circles program at Nationwide Children’s, inspiring others to own their career journey.

Katherine Margard serves as executive assistant to senior leadership at OhioHealth, one of the largest healthcare systems in Ohio. Executives she’s supported include the Chief Operating Officer, Chief Strategy & Transformation Officer, Chief Ethics & Compliance Officer, and Regional Market President. She has more than 20 years’ experience working with C-level executives in healthcare, education, and other non-profit organizations.

Katherine is an experienced corporate trainer, speaker at regional, national, and international conferences, and is a regular guest lecturer at a local community college. She proudly helped establish two administrative professionals’ networks and is an enthusiastic advocate for the profession. She’s also always on the hunt for new free quality training resources to stay sharp in trends affecting the administrative profession.

Bill serves as the Chief Technology Officer and Director of Information Services for Dayton Children’s since June 2022. Previously Bill served 25 years in the U.S. Air Force as a healthcare administrator specializing in health information technology. After retirement he led a project to build Alaska’s first health information exchange (HIE) and later was the operations manager for Alaska Medicaid for over five years. Bill has an MBA and M.S. in Information Systems from Mississippi State University and also holds an M.S. in Operations Management from the University of Arkansas. Bill is a board-certified Fellow with the American College of Healthcare Executives and a certified Project Management Professional (PMP).

Dr. Tokarsky is a Dayton native and psychologist at Dayton Children’s, where he’s been helping kids and families since 2021. By day, he specializes in complex trauma and family systems stress. By night (and maybe during lunch breaks), he’s a meditation and yoga enthusiast!

He first fell in love with yoga in 2017 during his psychology internship as a way to de-stress and recharge. But his connection to yoga runs deeper—he’s highly interested in yoga philosophy and its similarities to Buddhism, which he has studied since childhood. He has also studied meditation as a monk at a Buddhist temple in Bangkok, Thailand!

Now, Dr. Tokarsky is bringing his passion to Dayton Children’s, teaching chair-based yoga that’s easy to do—yes, even in your work clothes. Never tried yoga before? No problem! This is your chance de-stress and recharge in the middle of your week (and did we mention it’s free?)!

Strategic Executive Partner | Operations, Administration & C-Suite Engagement

Tyra Valenzuela-Ray is a highly accomplished executive partner with over 30 years of experience supporting senior leadership in high-impact, mission-critical environments, including healthcare, finance, defense, and federal government throughout the United States. She is renowned for driving compliance, optimizing executive workflows, and supporting complex operations across departments. Known for her proactive problem-solving, and ability to deliver clarity in fast-paced, high-stakes settings, Tyra possesses a strong command of logistics, calendar management, cross-functional coordination, and stakeholder engagement.

Tyra is trusted to perform under pressure in sensitive, high-security environments. She has managed NASA-level top-secret protocols, including liaising with foreign diplomats on very complex issues, and has been commended for her quality and consistency in multimillion-dollar infrastructure packages. In addition to her administrative role, Tyra is actively involved in rehabilitating TSA and Canine Officers suffering from PTSD and teaches basic obedience classes for new owners within the Tri-State Area.description