Our team at Compress and & Shock is deeply passionate about CPR and AED education. We have no employees and all Board members and Physician Champions are giving their time and expertise voluntarily because we uniformly believe that there should be no barriers to learning the skills to save a fellow person’s life.

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Dr. Jack Perkins

Dr. Jack Perkins is board-certified in both Emergency and Internal Medicine and currently is a faculty physician with the Virginia Tech Carilion Emergency Medicine Residency. He is an educator, spending most of his professional life teaching in the Emergency Department, at the Virginia Tech Carilion School of Medicine, and nationally as a lecturer for the American College of Emergency Physicians. He has a vision to deliver CPR and AED education to all and consequently founded the Compress and Shock Foundation in 2017 as a means to achieve that goal. An avid CrossFitter since 2010, Dr. Perkins found it most appropriate to merge two of his passions by engaging the fitness community.


Tamalyn Tanis

Tamalyn Tanis is the current co-owner of Roanoke Valley CrossFit.  She is a Level One certified coach as well as the CrossFit Kids trainer.  Tamalyn was an area high school volleyball coach for 22 years before retiring in 2016 in order to spend more time with her husband Mark and daughter Avery. She and Mark co-direct the annual Shamrock Festival Volleyball Tournament, which is largest travel sporting event in the Roanoke Valley. As an advocate of a healthy and active lifestyle, Tamalyn is honored to be a part of the Compress and Shock Foundation and hopes to utilize the CrossFit community to help springboard Jack’s CPR and AED educational goals.

Dr. Karen Perkins

Dr. Karen Perkins is board-certified in Family Medicine and currently is a faculty physician with the Virginia Tech Carilion Family Medicine Residency.  She is a clinician and educator, spending most of her professional life teaching and seeing patients of all ages, including delivering babies.  After 4 years of having her own kids at an alarming pace, (now ages 7, 5, and 3), she recommitted to CrossFit in January 2016, and now can be found at Roanoke Valley CrossFit most days of the week.  Her CrossFit goal is to master her nemesis lift, the snatch, and enter a competition RX in 2018 partnering with her husband, Jack.

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Dr. sammy zakaria

Sammy Zakaria grew up in the suburbs of Philadelphia, studied at the Pennsylvania State University, and medical school at Jefferson Medical College.  He did his residency at Thomas Jefferson University Hospital and a cardiovascular disease fellowship in addition to a MPH at the University of Maryland.  Subsequently, he became a critical care medicine fellow at the UCSF before coming back to Baltimore as faculty at Johns Hopkins, where he predominately works in the Cardiac Intensive Care Unit at JHBMC and Cardiac Care Unit at Johns Hopkins Hospital.  In his role as the Assistant Director of the CICU at JHBMC, he is most interested in findings ways to improve ICU care while decreasing the stress experienced by patients, families, and staff.  He is honored to be a member of the Compress & Shock Foundation Board, with the laudable goal of reducing the number of patients that need him in the cardiac ICU!



Dr. Andrew Bouland

Dr. Andrew Bouland is a resident emergency physician with the Virginia Tech Carilion Emergency Medicine Residency.  He is a graduate of the University of Maryland School of Medicine and a native of Laurel, MD.  Dr. Bouland has an extensive background in EMS including greater than 10 years as an EMS provider.  He has a particular interest in out-of-hospital cardiac arrest and bystander CPR.  Previous initiatives by Andrew include launching a community CPR program through the Arnold P. Gold Foundation to teach compression-only CPR to the underserved in Baltimore City.  He has also worked on related research projects analyzing cost effectiveness of community CPR programs and barriers to bystander CPR.  In addition to his clinical responsibilities, Andrew is a current member of the Cave Spring Volunteer Rescue Squad in Roanoke County, Virginia.