AZMNA Executive team & Board of Directors

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LoriAnne Barnett Warren is a founding member of the Arizona Master Naturalist Program (2014) and was previously a Virginia Master Naturalist and Chapter Advisor for the Virginia Master Naturalist Rivanna Chapter. She has a Master's degree in Environmental Science and Education from Prescott College and has worked as an environmental educator for over 25 years. LoriAnne is a certified AZ Professional Environmental Educator and Executive Director of the Arizona Association for Environmental Education. She iworks full-time for Arizona Department of Forestry and Fire Management as the Specialized Forestry Program Administrator, overseeing the staff in the Urban and Community Forestry, Forest Health and Invasive Plants, Forest Legacy, Forest Stewardship, and Forestry Outreach Programs. View her LinkedIn profile here.

Chris Schneider is a deeply-rooted, insightful nature connector.  She is a certified interpretive educator, certified master naturalist, and past president and current member of The Central Highlands Master Naturalist Chapter. Chris is dedicated to experience-based education, and teaches elementary students in outdoor habitat environments. She brings 30 years of corporate leadership experience is honored to be a nature-based leadership guide for the Center for Nature and Leadership.  Chris gives her leadership and volunteer service to the Grand Canyon National Park (PSAR team), The Humboldt Unified School District, and the Arizona Master Naturalist Association.  Nature is a wise teacher and learning and serving keeps her growing!

Deb Petrich has been with AZMN since 2017 and is the Arizona Master Naturalist Association Timekeeper and Volgistics Administrator. She also serves as the main contact for Association Partnerships, Member Resources, and Tech Support.  Her volunteer service has included participation in several wildlife camera-monitoring projects with Pima County, Sky Island Alliance, UA Spotted Cats, and Friends of Redington Pass. Deb’s passion is wildlife photography and adventure travel. 

Juanita Armstrong-Ullberg is a Natural Resource Specialist for Maricopa County Parks and Recreation Department.
She has a B.S. in Biology and an M.S. in Environmental Biology. She is responsible for developing the natural resource program for the parks with over 20 years of experience managing high-quality natural areas, developing programs for citizen science programs, and working with volunteer groups. 

Molina Walters, Dr. Mo, has been a Clinical Professor in Arizona State University's Mary Lou Fulton College for Teaching and Learning Innovation since Fall 2004. She teaches elementary and secondary science method courses and environmental education courses. Dr. Mo is the program coordinator for the Environmental Education Program of Distinction Certificate and the developer of numerous science professional development opportunities. She is a Barrett Honors faculty and a Study Abroad program advisor leading a yearly study to Costa Rica. Mo is a Certified Arizona Master Naturalist and Professional AZ Environmental Educator.

Melissa Mundt is an Environmental Education Program Coordinator with the Pima County Conservation Lands and Resources, Environmental Education Program, and serves as the Chapter Advisor to the Pima County Chapter. Melissa is a Certified Arizona Master Naturalist, graduating with Cohort 5 in Pima County. With a background in the nonprofit sector; building teams, fundraising, managing and evaluating programming; she understands the importance, utility and power of participatory planning to build relevant, innovative and resilient initiatives. 

Louise Wilkinson is a retired emergency medicine physician, but has had a love for the outdoors and all things natural since childhood. After 30 years of medical practice in the Missouri Ozarks, she managed a 70-acre nature preserve owned by the local Audubon chapter helping to restore natural habitats and remove invasive plants. She joined the Meramec Hills Chapter of the Missouri Master Naturalists Association, became certified, and taught for them for 5 years before moving to Sierra Vista, Arizona. She volunteers at the San Pedro House in the San Pedro Riparian National Conservation Area and is a board member, and a docent at the Southeastern Arizona Bird Observatory. Louise and her husband joined the Borderlands Master Naturalists Chapter in 2024 to learn about our new home state, and specifically, southeastern Arizona. We are both avid birders and travel in search of new birds.