Grant Lange is the co-founder of Delta Athletics, a premier volleyball training organization he built alongside his wife, Ashley (Cook) Lange. As Master Coach, Grant not only leads the coaching team but also shapes the strategic vision and training philosophy that define Delta’s programs. With decades of combined experience in coaching and athlete development, Grant and Ashley have created a dynamic, inclusive space where young athletes can grow through intelligence, effort, and community.

Grant is known for his deep knowledge of the game, his calm leadership, and his ability to turn complex volleyball concepts into clear, actionable coaching. He oversees high-level training sessions, mentors staff, and remains a hands-on presence in both private lessons and team environments. At Delta, Coach Grant is a foundational figure—equally respected for his volleyball expertise and his commitment to shaping better people through sport.

Grant Lange has coached volleyball for 20 years at the high school, club and collegiate level and holds NFHS Level 2, USAV CAP2, BCAP1, SafeSport, and IMPACT certifications.