In winning the 2024 NBA title with the Celtics, Joe Mazzulla has become the sixth youngest head coach to accomplish that in league history. Mazzulla is actually the youngest to win it since Bill Russell captured the title at 34 years old in 1968.
Take a look at the all-time ranking below.

Peach Basket Society
30 years and 218 days

Getty Images
32 years and 284 days

Charles T. Higgins/Getty Images
34 years and 3 days

Tony Tomsic-USA TODAY NETWORK
34 years and 49 days

Dick Raphael/NBAE via Getty Images
34 years and 268 days

Stephen Lew-USA TODAY Sports
35 years and 349 days

Jerry Wachter/Sports Illustrated via Getty Images
37 years and 49 days

NBA Photo Library/NBAE via Getty Images
38 years and 26 days

Garrett Ellwood/NBAE via Getty Images
38 years and 199 days

David Richard-USA TODAY Sports
39 years and 47 days

Dick Raphael-USA TODAY Sports
39 years and 174 days

Dick Raphael/NBAE via Getty Images
39 years and 229 days

Malcolm Emmons-USA TODAY Sports
39 years and 303 days

Manny Millan /Sports Illustrated via Getty Images
39 years and 338 days

Getty Images
41 years and 84 days

NBA Photos/NBAE via Getty Images
41 years and 185 days

Marc Serota/Getty Images
41 years and 232 days

ROBERT SULLIVAN/AFP via Getty Images
45 years and 210 days

Barry Gossage/NBAE via Getty Images
45 years and 268 days

Rick Roberson/NBA Photo Library-NBAE/Getty Images
45 years and 317 days

Rochester Democrat and Chronicle – USA TODAY NETWORK
46 years and 244 days

Manny Rubio-USA TODAY Sports
46 years and 247 days

Mark J. Rebilas-USA TODAY Sports
46 years and 247 days

Mike Ehrmann/Getty Images
47 years and 82 days

Charles T. Higgins/Getty Images
48 years and 219 days

Dick Raphael/Getty Images
48 years and 360 days

Focus on Sport/Getty Images
49 years and 241 days

Kyle Terada-USA TODAY Sports
49 years and 262 days

JEFF KOWALSKY/AFP via Getty Images
50 years and 148 days

Ray Carlin-USA TODAY Sports
51 years and 198 days

Ron Chenoy-USA TODAY Sports
51 years and 271 days