Vlamis moved to California to attend Chapman University, where he starred as a third baseman on the varsity baseball team.

[3][4] After quitting the marketing world in 2017 to drive for Uber and focus on writing, Vlamis booked the lead role of Michael Guerin in the CW's Roswell, New Mexico.

In 2019, Vlamis co-wrote a biopic about the life of late rapper Mac Miller, titled Blue Side Park.

The screenplay was later added to the 2019 Black List, a survey of "most-liked" unproduced film scripts.

[8] In 2022, he made his feature directorial debut with Crossword, a psychological thriller he also wrote, produced, and acted in.