Born and raised in the picturesque state of South Dakota, a region known for its rolling hills, vast prairies, and serene Badlands, Rosengren embarked on an academic journey that would ultimately shape his future. He earned a Bachelor of Arts degree from Augustana University, a renowned institution situated in the charming city of Sioux Falls, where he had the opportunity to develop his intellectual curiosity and hone his critical thinking skills.
Following the culmination of his academic pursuits, Rosengren embarked upon a 13-month odyssey with the United States Army, stationed in the Republic of Korea, where he gained invaluable experiences and skills. Upon the completion of his military service, he devoted a decade to cultivating his artistic talents, meticulously refining his craft as a stage and commercial actor within the vibrant cultural landscape of Minneapolis, Minnesota.
As his acting career continued to experience a marked increase in popularity and recognition, Rosengren made the decision to relocate to the vibrant city of Cleveland, Ohio, where he spent a considerable six seasons honing his craft and perfecting his skills by performing alongside the esteemed and highly respected Great Lakes Shakespeare Festival.
Prior to relocating to the City of Angels, Rosengren invested a full 12-month period in augmenting his educational background at the prestigious Pacific Conservatory of the Performing Arts, situated in the picturesque town of Santa Maria, nestled in the heart of California.