Major Kociba was born and raised in Ohio, graduating from Olentangy High School in 1995. He graduated from the Ohio State University with a Bachelor’s degree in Political Science in 1999 and enlisted in the United States Marine Corps in December 2005. Major Kociba completed recruit training at Parris Island in April 2006, became a 0861 Forward Observer for artillery, and reported to 4th Air Naval Gunfire Liaison Company in West Palm Beach, Florida. Major Kociba commissioned as a Marine Corps Officer in April of 2008.
Major Kociba graduated the Basic School in May of 2009, reported to Marine Aviation Logistics Squadron (MALS) 13. He graduated Aircraft Maintenance Officer School in December 2009. Major Kociba joined Marine Attack Fighter Squadron (VMA) 214 as the Assistant Aircraft Maintenance Officer and Maintenance Material Control Officer (MMCO).
Major Kociba deployed with HMM-268 (REIN) on the 11th Marine Expeditionary Unit as the VMA-214 MMCO. Major Kociba joined Aviation Maintenance Squadron (AMS) 1 in July 2012 and served as the Naval Aviation Technical Training Center Marine Mechanical Department Liaison Officer and AMS-1 Executive Officer. Major Kociba attended Expeditionary Warfare School in Quantico, Virginia in July 2015. He joined the Office of the Secretary of Defense (OSD) in June 2016. Major Kociba joined the Assistant Secretary of Defense for Internal Security Affairs, Middle East Policy on the D-ISIS Coalition. Major Kociba served as the action officer for Secretary Ashton B. Carter and Secretary James N. Mattis for Defense Ministerial meetings, which involved 35 countries, and nine Defeat the Islamic State of Iraq and Syria (D-ISIS) Coalition meetings. Major Kociba attended the United States Army Command and General Staff College in June 2018.
Major Kociba joined as the MALS-16 Operations Officer in June 2019. He is married to Elizabeth Kociba and has three children: Charlotte, Caleb, and Eli. His awards include the Defense Meritorious Service Medal, Navy and Marine Corps Commendation Medal with one gold star, and the Navy and Marine Corps Achievement Medal.