Jere Karjalainen currently serves as an intern at Toimitusjohtajakoulu, focusing on internal and external business development efforts, training design, preparation, and implementation. Karjalainen has extensive experience as a Volunteer Firefighter with Keski-Suomen hyvinvointialue, where responsibilities include training roles and practical firefighting duties. Previous positions include serving as a Paramedic for both Pohjois-Karjalan hyvinvointialue and Hätäkeskuslaitos, which involved emergency medical response and critical decision-making in collaboration with various agencies. Additional experience as a Soldier in the Finnish Defence Forces and as a Practical Nurse at Viitakodit ry demonstrates a diverse background in emergency services and healthcare. Jere Karjalainen is pursuing a Bachelor's degree in Business Administration and Management at JAMK University of Applied Sciences, with prior education in social and health services from GRADIA Jyväskylä Educational Consortium.