Donna Brezinski, MD

Founder & CEO

Donna Brezinski is a native of Taunton, Massachusetts.  She knew from a young age that she wanted to become a physician. After graduating from Boston College, summa cum laude with a bachelor of science in biochemistry, she received her medical degree from Yale University. She then completed a pediatrics residency at Yale-New Haven Hospital and received her training in neonatology at the Harvard Neonatal-Perinatal Fellowship program. Dr. Brezinski married Gary Gilbert in 2009 and has two sons and three step-sons. An accomplished singer, she is a member of the Boston Symphony Orchestra Tanglewood Festival Chorus.


Gary Gilbert, MD

Co-Founder & COO

Gary Gilbert grew up in Los Alamos, New Mexico, the son of a physicist. He recalls his father estimating how many trees are on the earth during a walk in the woods. Gilbert graduated from La Sierra University with a bachelors degree in biophysics, with honors, before studying medicine at Loma Linda University. He worked for six months in Zambia, Africa, prior to advanced training. He completed an internal medicine residency at Loma Linda University Medical Center and a fellowship in Hematology/Oncology at Tufts-New England Medical Center. His appointments are at the VA Boston Medical Center and Brigham and Women's Hospital and he is an Associate Professor at Harvard Medical School. The research in his laboratory has focused on cell membranes and blood coagulation. He married Donna Brezinski in 2009. He has three sons, two step-sons, and hobbies that include landscape design, running, and mountaineering.




Born in India and raised in Singapore, Shreyas found a calling for social good at an early age, serving with the Singapore Red Cross and volunteering as a tutor for underprivileged youth. He graduated from Worcester Polytechnic Institute in 2015, receiving a Bachelor's degree in Biomedical Engineering with High Distinction. Through his coursework and a past internship with LST, Shreyas grew keenly aware of the need for healthcare devices designed specifically for the developing world. He is currently a co-inventor on two patent-pending medical devices. One of these devices, a non-electric refrigerator for breastmilk, won a university-wide innovation award in 2015. 


Erica Kontson

Product Engineer

Erica is from Davidsonville, MD and studied Biomedical Engineering with a mechanical focus at Penn State University. In her junior year, Erica participated in a project for her Introduction to Biomedical Engineering and Design course where she and a team were tasked with designing a phototherapy system that could be used globally. This project sparked an interest in jaundice management that brought her to LST. While at Penn State, Erica was also very involved in the Penn State Dance Marathon (THON), a yearlong effort to raise funds for the fight against pediatric cancer that culminates in a two-day dance marathon. As a senior, Erica participated in this event by dancing for 46 hours straight and raising over $7,000.