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Board Member Profiles

Dr. George B. Brooks, Jr. Ph.D: President

Dr. George Benjamin Brooks Jr. holds an earned Ph.D., in Wildlife and Fisheries from the School of Renewable Natural Resources at the University of Arizona and is an established social, environmental, economic and political leader and business consultant. 
A powerful public speaker he is an award winning writer and editor with a number of scientific and popular publications including two of Phoenix’s first sustainability focused magazines, Southwest Green and NxT Horizon.

As a graduate student in the 1980’s, Dr. Brooks was part of the first class of Ebony Magazine’s 30 Under 30 series and has been quoted in Black Enterprise magazine for his knowledge of the new green economy. More than 300,000 people have seen his recent “Grandma was Green” video. He is the co-founder of RighTrac a company focusing on the urban aquaculture of tilapia (fish), vegetables, fruit and giant freshwater prawns and he is a frequent writer and contributor to the Arizona Republic Newspaper on issues including green jobs, water, diversity and community awareness. He was the first Executive Director of the Arizona Commission on African American Affairs for Arizona Governor Janet Napolitano the current president of the University of California system. He was an active member of the Board of Directors of the Greater Phoenix Black Chamber of Commerce and Chair of the Board of Directors for the Southminster Social Service Agency. A member of Kappa Alpha Psi Fraternity, Inc., he is a former member of the Governing Board of Arizona’s largest high school district, Phoenix Union. He is also a former member of the Board of Directors for the Central Arizona Project, the organization that provides water from the Colorado River to Central Arizona. He currently is Vice Chair of the South Mountain Village Planning Committee part of the Phoenix Planning Commission and is a Vice Chair of the Plan Phoenix Committee that is writing the new City of Phoenix General Plan. Through RighTrac Inc., he is currently working in partnership with the Environmental Protection Agency (EPA), Mesa Community College and the Roosevelt School District to implement a environmental education grant that will: teach S.T.E.M., create new local economies, improve family wellness teach environmental stewardship and revitalize neighborhoods in South Phoenix and Mesa Arizona.

A visionary, thinker and doer, his mission is to harness the power of sustainability to solve real world problems.

Tammy Bosse: Co-Vice President

Boss Properties

Tammy Bosse is Owner & Designated Broker of Boss Properties, based in Scottsdale. Tammy is the first REALTOR in Arizona to become a Certified Sustainable Building Advisor and is a National Association of Realtors GREEN designee. She serves on the Green Chamber Greater Phoenix Board of Directors and Public Policy Committee. She also serves on the United States Green Building Council Residential Green Building Committee. She is a Graduate of Scottsdale Leadership and Valley Leadership, where she has served in various capacities over the years. She stays engaged with neighborhood and community initiatives that she feels make a difference in the Valley. Tammy is passionate about working towards making sustainable building practices and community development become the norm instead of the exception. She is working to integrate green practices into the real estate acquisition process. She has a strong passion for helping people embrace eco-friendly choices and encouraging business embrace green principles as a better and more profitable way of conducting business.

Jennifer Johnson: Co-Vice President

Witnessing Nature

Chef Jennifer Johnson owner of Witnessing Nature in Food, a Full-Service Organic Catering Company joins the Arizona Green Chamber Board of Directors. I've been an active member since 2016 and the board in August of 2018. I've had a lifelong commitment to supporting eco-conscious chemical free living since growing up in St Louis Michigan experiencing the impact of the chemical dumping - causing the water table to be polluted and the Pine River and eco system to be destroyed. I remember the impact of dairy farmers losing their stock due to contamination, going to Canada for fresh milk and powdered milk when we couldn't, the dead fish smell emanating from the tap water and following the progress of the EPA, 40 years for the Superfund to start the clean-up in 2017.

I am a proud mother, member of Local First Member, Gold Member of Phoenix Green Business Partners, and City of Scottsdale Environmental Quality Award 2018 Winner. I bring a passion for helping people experience "Health is Wealth" through Organic Good Food to Love with a Focus on Flavor, Taste and Planet. Teaching others easy and inexpensive ways to live a healthier chemical free life while showing my passion for a sustainable planet for our future generations.

My passion for Local/Seasonal Food, Solar, Hydroponics, Upcycle, Recycle, Reuse, Composting, Donation, Community Involvement and Landfill Diversion drives the Witnessing Nature In Food values of Quality, Customer Service, Successful & Sustainable, Environment/Zero Water/Farm Fresh/Local Sourcing and Social Responsibility in our Communities. I Teach/Consult Healthy Living on A Budget @ A New Leaf, donates extra food to the oldest Day Care in Phoenix, Phoenix Day/A New Leaf, and promotes the Arts being on the Advisory Board of the Scottsdale Philharmonic.

For more information please contact Chef Jennifer @ Jennifer@WitnessingNature.net

Ryan Johnson

Ryan Johnson is the executive director of executive and professional programs in the School of Sustainability at ASU – the first degree-granting school of sustainability in the U.S. In this role, Ryan helps private, public and nonprofit organizations meet their sustainability goals through custom education and training programs.

Prior to joining ASU, Ryan was Vice President at Arizona-based WorldatWork, an organization that delivers HR trainings to professionals worldwide. Ryan began his career on the staff of the U.S. House of Representatives’ Committee on Small Business. After graduate school at ASU, Ryan spent seven years at ASU’s Morrison Institute for Public Policy. He has also been a consultant with the Washington DC-based Institute for Strategy Development (ISD) and with Creative Healthcare Solutions (CHS), of Columbus, Ohio.

Ryan has authored or co-authored more than three dozen of articles and research reports, and several books during his career. He has also been an active professional and community leader, both in Arizona and nationally. Among other boards, he is the past chair of the non-profit Association Media and Publishing (AM&P), and the Arizona Governor’s Commission on Service and Volunteerism.

Mikele Keiffer

Mikele joins the board with a passion for enhancing partnerships, student engagement, outreach, education, and community awareness. With her BA in Global Studies and Sustainability, Mikele is excited to foster relationships in the community that enhance sustainable business and personal practices. She believes that creating partnerships with the community is crucial to success. Enhancing our connections with various municipalities creates a platform to highlight sustainable issues and collaborate. These relationships will broaden community awareness of The Green Chamber and strengthen its community.

Aaron Bercovitch


Aaron Bercovitch is the owner of Euclid Solutions, which specializes in efficiency, waste reduction, and sustainability. He lived in Puerto Rico until he was 13, when his family moved to San Diego.

Aaron graduated from Northern Arizona University with a BA in Political Science, and started a career working with members of Congress in the community and on campaigns. Following these years of experience, and a year campaigning in Iowa, Aaron came to the realization that he could have the biggest impact by working in the private sector with a focus on environmentally conscious practices. During his move back to San Diego he stopped to visit some friends from NAU, and never made it back.

Previously, Aaron has served as president of the Rotary Club of Tempe Downtown, and the vice president of NAU-TEN (the young professionals branch of the NAU Alumni Board). When Aaron finds free time, you can find him trail running, playing with his dog, Milly, practicing wildlife photography, and reading.

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