He then branched out on his own and founded The Landmark Sports Agency. Recently, he has represented several first-round lottery picks: sixth overall 2003 NBA Draft selection, Chris Kaman, ninth overall 2004 NBA Draft selection, Andre Iguodala, eighth overall 2005 NBA Draft selection, Channing Frye, thirteenth overall 2007 NBA Draft selection, Julian Wright, seventh overall 2008 NBA Draft selection, Eric Gordon, and third overall 2009 NBA Draft selection, James Harden, 4th and 13th overall 2010 NBA Draft selections, Wesley Johnson and Ed Davis, 2nd overall 2011 NBA Draft selection Derrick Williams, and Buddy Hield, the sixth overall pick in 2016. Pelinka currently represents 24 NBA players.
In January 2016, Avery Bradley left Mitchell Butler to sign with Pelinka after being disappointed with the results of a contract extension. During the lead-up to the 2016 NBA draft, Buddy Hield, the consensus college player of the year in 2015–16, signed with Pelinka. Marquese Chriss also signed with Pelinka. Hield was drafted 6th and Chriss was selected 8th.