End Overdose


Katie Krzywicki


After seeing so many people she cared about affected by opioid use, Katie wanted to ensure her community understood the importance of having naloxone readily available, as well as recognizing the signs and symptoms of opioid overdose. Prior to co-founding End Overdose, she was a Global Account Director at Telstra, a Global Fortune 500 company. While at Telstra, Katie was the US Representative for the company's International Gender Diversity Council. Katie's work experiences range from real estate management to non-profit fundraising.

Leah Schexnayder


Leah Schexnayder was born in raised in Pasadena, California. She is now a Los Angeles County EMT and works in the emergency department as an ER Technician. Leah had her first interaction with the severity of the opioid epidemic when she lived on the east coast while in college. Although she grew up seeing addiction in her family, Leah had never seen anything to this extent. Upon returning to California, Leah had many close friends die of an opioid overdoses and was overwhelmed by the frequency of overdose responses in her job. Leah felt a personal responsibility to ignite change in her community, as she knew how simple the use of naloxone was. Today, Leah is continuing her education in medicine in order to build her platform and bring awareness to this growing epidemic.

Theo Krzywicki

Founder & Chief Executive Officer

As the CEO of End Overdose Theo brings firsthand experience and deep personal commitment to the fight against the opioid crisis. Recognizing the power of education and accessibility, he has been the driving force behind End Overdose's mission to ensure that everyone, regardless of their background or profession, has the skills and resources to respond effectively to an overdose.