David Siik is a renowned running coach and fitness innovator with over 20 years of experience in the fitness industry. He began his career at Equinox Columbus Circle in 2004, where he developed the Balanced Interval Training Experience (B.I.T.E.) method, leading to the creation of Precision Run in 2014. David is also the author of The Ultimate Treadmill Workout and has trained Hollywood celebrities, elite athletes, and top fitness professionals. Find him on Instagram @davidsiik