Leigh Diffey joined NBC Sports Group in 2013 as the play-by-play announcer for Formula One and IndyCar coverage, and served in the same role for the PENN Relays track and field meet alongside sprinting star Ato Boldon. Diffey has also handled play-by-play duties for rowing at the 2016 Olympic Games in Rio, and for skeleton, luge, and bobsled at the 2014 Winter Games in Sochi. Diffey also anchors NBCSN’s Premiership Rugby studio coverage, and has provided play-by-play commentary for coverage of NASCAR’s XFINITY Series on NBCSN.
Prior to joining NBC, Diffey served as SPEED’s play-by-play announcer and host for the GRAND-AM Rolex Sportscar Series, US rounds of the MotoGP world championship and periodically on the Formula One coverage. He was a regular host on SPEED Center and The Speed Report.
Diffey started his broadcasting career covering V8 Supercars for Australia’s Network Ten, and the World Superbike Championship and WRC for the BBC. Diffey has covered the American Le Mans Series, 24 Hours of Le Mans, MotoGP, CART World Series, and the NASCAR Sprint Cup and Nationwide Series.
Leigh has also broadcast golf, sailing and World Cup Luge.
Diffey is a native of Brisbane, Australia, and currently lives in Connecticut with his wife and two children.