Meet the Nature Guides


Alex Pfeiffer

 Teacher & Nature Guide; Marine Studies

Alex Pfeiffer spent a significant portion of her childhood in Bermuda where she grew a deep love of the ocean and the animals within. After high school she attended the University of Alabama at Birmingham and graduated with a degree in Marine Biology. During her time there, she participated in conservation efforts to save the Mississippi Diamondback Terrapin and worked hands-on with sharks, rays, horseshoe crabs, and many species of fish. Alex then went on to work at the Miami Seaquarium in their Manatee rehabilitation program, where she educated the public on the rescue program and prepared rescued manatees for release. Alex spends her free time picking up trash on the beach and volunteering at beach clean ups. Her teaching experience stems from many years as swim coach and swim instructor.
 Kelly Green

Lead Teacher & Nature Guide

Kelly Green was born and raised in North Miami and has a true love for all things related to the Sunshine State! She is a fully certified Early Childhood Educator with 5+ years of classroom experience and an overall 15 years of teaching.  Kelly is passionate about teaching children and thoroughly enjoys building relationships with her students and their families. She also spent a number of years teaching with a large home school group on the Treasure Coast of Florida. While there, she enjoyed planning hands on activities and nature themed field trips. This experience makes Kelly a perfect fit for our program,  she is excited to be a part of such an inspiring team. The philosophy of teaching that Kelly holds dear is, “A good teacher can inspire hope, ignite the imagination and instill a love for learning”.  
Camila Sosa

Assistant Teacher & Spanish Immersion

Camila Sosa is an assistant teacher at Treehouse Learning. She has had a variety of teaching experiences through a multitude of public school setting seeing such an outdated system, Camila is extremely excited about her new role. “Treehouse Learning is one of the few educational centers I find that aligns with my values and beliefs especially when concerning education. Therefore, what I can bring to Treehouse is absolute passion!” I will provide students with empathy, guidance and reassurance to build strong meaningful bonds with students and families. I look forward to the ability of sharing knowledge and interests like being physical activity, sewing, music and the environment to help students explore beyond core classes. I believe working in such a place will allow me to show students my authentic self thus encouraging them to do the same.

Adrian Fernandez  Games & Movement 

Adrian has dedicated himself to working with children beginning with
his nonprofit work as a member in AmeriCorps: Miami Reads! Through
this position he realized his desire to contribute to the community
and its youth. After several years of teaching, Adrian has become a
student, once again, in his pursuit to support students’ well-being as
a school counselor. He seeks to encourage children’s critical thinking
and curiousity in an active and inviting environment that Treehouse
Learning offers.