Dr. John L. SievenpiperActingNo biography available.Known ForFan ClubNo Nerds have favorited Dr. John L. Sievenpiper yet — be the first.All fan clubsFrom NerdspinFilmographyActor22015Sugar CoatedFilmSelf - Researcher, St. Michael's Hospital, Toronto★ 7.22014That Sugar FilmFilmSelf / Physician Scientist, Li Ka Shing Knowledge Institute★ 6.9