Faculty & Staff

Over 140 Combined Years of Experience in the Cardiac Rhythm Management Industry

With more than 30 years of experience educating professionals, the ATI faculty are nationally recognized for the quality of education they provide.

Collectively, the professors have published seven books and more than 100 abstracts and articles in peer review journals.

They have lectured internationally in Europe, Australia, Asia, Canada and South America.

James Holland, MS, CCDS

James Holland, MS, CCDS

President & CEO

Jim Holland earned his undergraduate degree from the University of North Carolina, Chapel Hill and his Master’s degree from Nova Southeastern University. Jim came to ATI in 1999 with more than 20 years of experience in cardiac rhythm disease management. He has held positions of field trainer, sales representative and field clinical engineer with Guidant Corporation (now Boston Scientific).

Kimber Walters, RN, BSN, CCDS, MBA

Kimber Walters, RN, BSN, CCDS, MBA

Vice President & COO

Kimber Walters earned her Nursing Degree from East Tennessee State University.  Kimber worked in open heart  recovery for six years before attending the ATI program in 2000. After graduating, she went to work for Boston Scientific for four years followed by Medtronic for 6 years, holding several different positions such as field clinical engineer, sales representative, TFE and District Service Manager (DSM).

Tristan Pendergrass, CCDS, CEPS

Tristan Pendergrass, CCDS, CEPS

Director of Technology

Tristan Pendergrass earned his BS in Marketing from Louisiana Tech University.  Tristan attended ATI in 2007 where he was a "Forney Award" recipient. Upon completion of ATI's program, he worked for Boston Scientific in Central Florida for seven years and ZOLL Lifevest in Orlando, FL for two years as Field Clinical Representative, Sales Representative, and Territory Manager. Tristan also received numerous awards during his employment before joining ATI's faculty in 2016.

Sarah Fritzsche

Sarah Fritzsche

CRM Specialist

Sarah Fritzsche earned her BS in Kinesiology (Specialization: Exercise Science) with a Biology minor from Texas Lutheran University. Sarah spent time interning in non-invasive diagnostic cardiac care and interventional cardiology before attending ATI as a student. Her passion for EP grew working as a cardiac device technician for Texas Cardiac Arrhythmia located in Central Texas. She now joins the faculty, eager to help fulfill ATI’s mission to provide quality EP education for students and allied health professionals.

Tracy Pickering

Tracy Pickering

Office Manager

Tracy's 13 years of working as a legal secretary provided her with administrative skills needed to assist the faculty, staff and students of ATI. Teaching 3rd through 6th graders in a small private school, caring for disabled and elderly as a home health aid, and forty years of being a mother of 4 and now grandmother of 5 have all prepared Tracy to help nurture, encourage and support ATI students. It is her great honor to be a part of the ATI family.