Zen Master Jok Um (Ken Kessel) began studying with Zen Master Seung Sahn in 1975, received inka, or permission to teach, in 1996, and transmission in 2017. Zen Master Jok Um is a Licensed Clinical Social Worker and a psychotherapist specializing in infant and early childhood mental health. He is guiding teacher for the New Haven Zen Center, Hwa Um Sa-Orlando Zen Center, Gateless Gate Zen Center (Gainesville) and Cypress Tree Zen Group (Tallahassee), Ten Directions Zen Community in Chicago and the Hermitage of Beneficence in McHenry, IL. He also teaches at the Chogye International Zen Center of New York.
http://www.newhavenzen.org/
https://orlandozen.com/
http://gatelessgate.org/
http://webdharma.com/ctzg/
https://tendirectionszen.org/
https://www.facebook.com/pages/category/Religious-Center/Ja-Gak-Am-Hermitage-of-Beneficence-108781357157949/
http://www.chogyezencenter.org/

Sit, Breathe, Bow is hosted by Ian White Maher.
https://www.theseekerstable.com/

Sit, Breathe, Bow is sponsored by the Online Sangha of the International Kwan Um School of Zen
https://kwanumzenonline.org