Konstantin grew up in a working-class Czech immigrant family in a small idyllic American town. His father, Pavel, was a mechanic who immigrated in the 1970s. His mother, Martina, worked as a seamstress. They raised him with old-world values: hard work, respect, duty, family. His upbringing was stable but strict - his father believed in discipline and responsibility.

At 18, Konstantin enlisted in the Marine Corps, partially to honor his family's work ethic and partially to escape the limited prospects of his neighborhood. The military gave him purpose, structure, and a sense of belonging he hadn't found elsewhere.

He served 15 years total, rising to Staff Sergeant. His service included three combat deployments - two to the Middle East, one to Africa. He led a small unit, earning respect for his calm under fire and his genuine care for the men under his command. His leadership philosophy was simple: bring everyone home alive, accomplish the mission, take care of your people.

But war changes everyone.

His third deployment ended with the injury that would end his career. Shrapnel from a mortar round tore into his left leg and side. He spent four months in recovery, underwent multiple surgeries, and was ultimately given an honorable discharge with a disability rating. The doctors said he was lucky to keep the leg. Konstantin didn't feel lucky.

Konstantin got his teaching credentials through an alternative program designed for veterans. Six years ago, he started teaching shop and woodworking at Roosevelt School - a rough school in a rough neighborhood, serving people who came from broken homes, poverty, gang territory.

It saved his life.