Trenni Kusnierek (born April 30, 1977) is a sports anchor and reporter for NBC Sports Boston.
Kusnierek is a graduate of Muskego High School and Marquette University. She appeared as herself on the TV show Change of Heart around 1999.
Kusnierek has previously worked at WDJT-TV (2001-2002), FSN Pittsburgh (2003-2007), ABC Sports (2005), and FSN Wisconsin (2008), and as a reporter and former studio host for the MLB Network as well as some work for the Big Ten Network and the NFL Network. For one season, she worked with Kevin Harlan and Rich Gannon as a sideline reporter for Green Bay Packers preseason.
From 2011 to 2013, Kusnierek worked for WTMJ (AM) and ESPN 540 in Milwaukee as a sports reporter and talk show host.
Kusnierek was hired by NBC Sports to work as a curling reporter during the 2014 and 2018 Winter Olympics, and also covered tennis for NBC Sports at the 2016 and 2020 Summer Olympics.
Kusnierek has also worked at WEEI-FM in Boston as a weekend and substitute program host.