William Bowie, a prominent figure in the construction industry addresses graduates of PTTI At our Graduation ceremony, William Bowie, a prominent figure in the industry, delivers an inspiring address to the Philadelphia Technician Training Institute (PTTI) graduates. With decades of experience and a passion for innovation, Bowie shares invaluable insights and advice for the next generation of construction professionals. Join us as we celebrate the achievements of PTTI graduates and glean wisdom from one of the industry's finest. https://www.youtube.com/watch?v=NAzqip4MuJE