[8] Among his clients during this time was Scott Weiland; Keller helped negotiate his separation in 2013 from Stone Temple Pilots in court.
Copyright Royalty Board decision to raise songwriter royalty rates, Keller organized an open letter signed by over 100 participants in Spotify's "Secret Genius" initiative for producers and songwriters, including Louis Bell, Greg Wells, Teddy Geiger, Ian Kirkpatrick, Frank Dukes, Mike Elizondo, T-Minus, Scott Harris, Ross Golan, and Shane McAnally.
[12] A gay man,[13] Keller has also been active on behalf of LGBTQ individuals in the industry; in 2018, he co-hosted with James "JHart" Abrahart and Brett "Leland" McLaughlin the inaugural "Out to Brunch" luncheon, a gathering of LGBTQ artists, songwriters, and other creatives in the music industry intended to foster collaboration and community.
Notable attendees at the event included Troye Sivan, Justin Tranter, Ilsey Juber, Ferras Alqaisi, and Adam Lambert.
[14] He co-hosted the second annual Out to Brunch event in 2019, with notable attendees including Jesse Saint John, Vincint, Carlie Hanson, and Dorian Electra.