https://soundcloud.com/spiritrock/a-genealogy-of-secularized-buddhism
Gil Fronsdal is a Norwegian-born, American Buddhist teacher, writer, and scholar based in Redwood City, California. He has been practicing Buddhism of the Sōtō Zen and Vipassanā sects since 1975, and is currently teaching the practice of Buddhism in the San Francisco Bay Area
https://secularbuddhistnetwork.org/
The Secular Buddhist Network (SBN) is an interactive space where secular dharma practitioners can share their perspectives, initiatives, and practices with each other
https://secularbuddhism.org/category/podcasts/
The Secular Buddhist podcast of the Secular Buddhist Association, focusing on early Buddhist teaching and practice from a secular point of view.
Noah Rasheta is a Buddhist teacher, lay minister, and author, as well as the host of the podcast Secular Buddhism. He teaches mindfulness and Buddhist philosophy online and in workshops. He works with others to make the world a better place as he studies, embodies, and teaches the fundamentals of Buddhist philosophy, integrating Buddhist teachings with modern science, humanism, and humor.
For those new to Buddhism, it could be helpful to be introduced to some established teachers.
This list is not comprehensive, and it comprises both teachers who identify as secular and those who do not but whose teachings are not focused on the supernatural aspects of Buddhism.
Jack Kornfield
https://www.dharmaseed.org/teacher/85/
Tara Brach
https://www.tarabrach.com/talks-audio-video/
Joseph Goldstein
https://www.dharmaseed.org/teacher/96/
Gil Fronsdal
https://www.audiodharma.org/teacher/1/
https://sr.dharmaseed.org/teacher/1124/
Adrea Fella
https://www.audiodharma.org/speakers/2
Kaira Jewel Lingo
https://dharmaseed.org/teacher/1012/
James Baraz
https://dharmaseed.org/teacher/86/