Michael Collier is a medical doctor, geologist, boatman, pilot, photographer, and all around good guy. He sits down to chat with Brian about how the Grand Canyon has shaped his life, and the mentors that helped him along the way. Big Adventures with Brian Dierker is produced with joy by Big Adventures
Entertainment LLC.

Michael Collier is a medical doctor, geologist, boatman, pilot, photographer, and all around good guy. He sits down to chat with Brian about how the Grand Canyon has shaped his life, and the mentors that helped him along the way. Big Adventures with Brian Dierker is produced with joy by Big Adventures Entertainment LLC.

Michael Collier

Grand Canyon boatman Brian Dierker sits down to chat with fellow guides, scientists, politicians and oddballs about adventure, conservation, and all things outside.

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Michael Collier

Michael Collier

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