Board of Directors
Tracy Jackson, CST, FAST
Vice-president
2023-2025
Tracy has been a Certified Surgical Technologist for 15 years, CST Educator for 2.5 years and Perioperative Support Service Manager and Central Sterile Processing Manager for 2 years. Tracy has held various positions for ISA since 2015 and Delegate since 2017. On the national level she has obtained the Fellowship of the Association of Surgical Technology distinction in 2021, and currently is Co-Chair for the Bylaws, Resolutions and Parliamentary Procedures Committee. Even more gratefully, she is a wife and mother of 4 children and a fur-baby Morkie.
Mimi Tammen, CST, CSFA, FAST
President
2023-2025
Mimi graduated from IU Health Methodist Surgical Technology program in 2013 then advanced her career by becoming a Certified Surgical First Assist in 2016 through Meridian Institute of Surgical Assisting in Nashville, TN. She has held numerous positions on the ISA Board since 2015 along with multiple committee positions with Association of Surgical Assistants and as an Advisory Board Member for Meridian. Mimi received the distinguished F.A.S.T. honor with AST in 2022 and has been a National Delegate since 2015. Mimi’s hobbies include fulfilling her bucket list wishes, traveling solo and being the best dog mom!
Cortney Hartman, CST, FAST
Treasurer
2023-2025
Cortney started her career as a Surgical Technologist in 2006. After scrubbing on multiple heart
teams for 11 years she moved into education. Those roles include Adjunct Instructor,
Perioperative Educator for a large healthcare system, Surgical Simulation Specialist at an
advanced medical simulation lab, and she currently works in the medical device industry with
the new product development team. She holds two certifications in sterile processing, received
the FAST award in 2021, and sits on multiple program advisory committees. Cortney previously
served two terms as a director on the Indiana board and represented the state as national delegate
five times. She is the owner of Surgical Tech Educator LLC.
The position of Secretary currently
remains open.
Voting for Secretary will occur at our
2025 Fall Conference.
Secretary
2025-2026
Michelle Callahan, CST, AAS
Board of Director
2024-2026
Michelle graduated from Ivy Tech in 1996. Since then she has enjoyed scrubbing a variety of cases,
including transplant, neuro and most recently general surgery. Michelle has held a variety of positions
on the ISA board including secretary, vice-president and president. She has also served as a delegate at
the national level. Michelle enjoys traveling with her two teenagers.
Lora Hofmann, CST, BSHA
Board of Director
2023-2024
Lora is a 2007 graduate of Ivy Tech Community College in Terre Haute. After graduation, Lora
began scrubbing at Union Hospital in Terre Haute and St. Vincent Clay Hospital in Brazil. In
2014, Lora took a full-time faculty position for the Ivy Tech Surgical Technology Program. In 2017, she was named Program Chair and also received her Bachelor of Science in Healthcare Administration from St.
Mary of the Woods College. In her spare time, Lora loves attending concerts, Jeeping, and restoring antique cars with her husband. She also enjoys loving on her two Boxers, Jager and Bailey.
Brittany Chipules, CST
Board of Director
2023-2025
Brittany has been a CST since 2015 and graduated from Ivy Tech in Valparaiso, IN. Orthopedics is her specialty and favorite cases being proximal humeral fractures and complex ankle reconstructions. Her hobbies include trying new restaurants with friends, baking, reading and seeing off-Broadway shows.
Sara Velligan, CST, CSFA
Board of Director
2024-2026
Sara started her career in 2003 as a surgical technologist after graduating from Indian River Community College in Florida. She obtained her Surgical Assistant certification in 2013. Sara currently works at St. Joseph Medical Center in Mishawaka, Indiana.
The 5th Director position currently remains open.
Voting for Director will occur at our 2025 Fall Conference.
Board of Director
2025-2026