YOSEMITE NATURALIST
FACULTY

Author, David Lukas, lends his expertise to the faculty of Y explore Yosemite Adventures where several experienced Naturalists direct our hiking tours. David is the author of Wild Birds of California and the newly revised Sierra Nevada Natural History guidebook. John DeGrazio is the company's founder and continues to enjoy sharing wonderful Yosemite experiences with clients of all ages on numerous diverse trails throughout the park. Zeb Drivdahl is a trained EMT and Search and Rescue professional who enjoys every minute of the time he spends in the Sierra. James McGrew spends each summer leading interpretive programs for the Parks Department and is available for our specialty programs in Hetch Hetchy Valley. Christelle Harris is an avid hiker and rock climber whose team building skills are appreciated by all groups. Carrie Carlson is a recreation specialist who has developed several programs for the youth, families, and seniors. Travis Workman is recent graduate who has spent his life camping and backpacking in the Sierra. Erik Schrantz is a fitness expert and certified professional trainer. Brian, Jacob, and Lindsay have spent countless hours on the trails in Yosemite and throughout the world.

Our Tours - Certified wilderness guides provide security and safety while exploring Yosemite's scenic terrain. Our richly experienced photography guides focuses on offering expert advice to clients while shooting in prime locations within the natural setting of the park. We outfit every tour with communication devices, navigation tools, and first aid equipment.

Anyone with a sense of adventure and a love of the outdoors is encouraged to join us for a day on the trails to share memories of a lifetime. Individuals, Groups, and Families are welcome.