Captain Alexis K Kantaris was born at Balboa Naval Hospital in San Diego, California and was raised in a Marine Corps family. She attended Auburn University in Alabama on the Naval Reserve Officer Training Corps Scholarship and completed Officer Candidate School in the summer of 2013. She graduated in May 2014 with a dual degree in Political Science and Spanish, and commissioned into the Marine Corps. In December 2014, she attended The Basic School (TBS) as part of Bravo Company 2-15 in Quantico, Virginia, where she was assigned the MOS of 1302. Upon completing TBS, she checked into Combat Engineer Officer Course at Camp Lejeune, North Carolina, completing the course in October 2015.
In November 2015, Captain Kantaris received orders to 7th Engineer Support Battalion (ESB) at Camp Pendleton, California. Upon checking into the unit, she assumed the billet as Operations Platoon Commander for Alpha Company, supporting Steel Knight and Mountain Training Exercise 2-16.
In April 2016, Captain Kantaris was appointed as the 1st Marine Logistics Group (MLG) Safety and Environmental Officer. During this time, she received the AMOS 0812 Ground Safety Specialist, and qualified for 8056 Hazardous Material/ Waste Handler.
In November 2016, Captain Kantaris returned to 7th ESB, assuming the billet of Engineer Support Detachment Officer in Charge (OIC). In March 2017, her platoon executed Innovative Readiness Training, working with the U.S. Forestry Department on the Cleveland National Forest Dam Demolition Project. From April to June, she attached to 1st Transportation Support Battalion in support of Integrated Training Exercise 3-17.
On 1 August 2017, Captain Kantaris was assigned to Combat Logistics Battalion 13 (CLB-13) in order to serve at the Engineer Platoon Commander. During this time, she supported Mountain Training Exercise 6-17 and deployed with the 13th Marine Expeditionary Unit as a Combat Logistics Detachment OIC in support of Western Pacific Deployment 18.2.
In July of 2019, Captain Kantaris reported to her current duty station at the University of Michigan as the Marine Officer Instructor (MOI) of the NROTC Program.
Her personal awards include a Navy and Marine Corps Achievement Medal.
Captain Kantaris is married to Daniel Shumaker of Roswell, Georgia.