Cornerstone: The Lenny Wilkens Story is a documentary that offers an intimate portrait of one of basketball’s most respected figures, Lenny Wilkens, whose remarkable career as both a player and coach left an indelible mark on the sport. Directed by T.J. Regan, the film traces Wilkens’ journey from his early days to his record-setting achievements on the sidelines, highlighting the resilience, leadership, and quiet determination that defined his legacy. Through candid interviews and archival footage, the documentary features personal reflections from Randy Wilkens and Marilyn Wilkens, offering a family perspective on the man behind the accolades. Produced by Jackson Clough and Gavin P. Sullivan, the film weaves together rare moments from Wilkens’ storied career with heartfelt anecdotes, painting a comprehensive picture of his impact on generations of players and fans. More than a sports biography, this documentary celebrates the cornerstone values of integrity, perseverance, and humility that guided Wilkens through a lifetime of triumph and challenge.