"We make a living by what we get, but we make a life by what we give."

-Winston Churchill

Who are we?

Board of Directors

  • Steve Oesterle

    PRESIDENT

    Steve came to Green Valley from Maryland 21 years ago so his young children could be close to their grandparents. He has a teenage son (Jackson) and a pre-teen daughter (Zoe). Steve is very active in the community; he is the current Board President for Continental School District. He also helps out the Salvation Army and Community Food Bank. Steve runs a local branch office for a residential mortgage company -Guaranteed Rate. His wife of 24 years (Trina) is a top real estate agent at Coldwell Banker.

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    Pictured with attendees from our annual event Sip, Swirl & Support at La Entrada de Tubac, Nov. 25, 2023

  • Patrick Sedillo

    VICE PRESIDENT

    Patrick and his wife, Cindy, moved to Green Valley in 2004. Patrick retired from IBM after a 32-year career. He was the Managing Broker and co-owner of HomeSmart Pros Real Estate in Green Valley. Patrick's extensive experience and community mindedness makes him the perfect person to help steer the board and ship of the Community Foundation. He and Cindy travel the country in their RV.

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    Patrick with Michelle at ribbon cutting for new GVR Pickleball complex in Green Valley, Jan. 2020.

  • Jaime Vasquez

    TREASURER

    Jaime was born and raised in Nogales, AZ and graduated Nogales High School. He has been in banking since 2001 and has worked for several institutions including: Commercial Federal Bank, Bank of the West, Commerce Bank of Arizona, and others. Throughout his career, Jaime has had a variety of responsibilities and gained experience in all aspects of retail banking. He is currently the Branch Manager at BMO Harris Bank in Green Valley, AZ. Jaime is a big advocate in serving his community. He always tries to be involved with community projects and is passionate about GGVCF’s mission.

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    Picture coming soon

  • Kathy Wagner

    SECRETARY

    Kathy has lived in Sahuarita for 40+ years and is retired from the popular Arizona Family Restaurant in Green Valley. Kathy has a passion for our community which she is able to now devote her time to the Community Foundation's board of directors. Her extensive business savvy and community support is of great importance to the Foundation. She is one of the most humble and sincere persons you’ll ever meet, and a real pleasure to serve with her.

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    Kathy pictured in the middle next to Patrick and Michelle with Bill Stevens from Generous Wealth Advisors at USAA Pickleball Tournament in Green Valley, Nov. 2022.

  • David Polsky

    MEMBER AT LARGE

    Originally from Greenwich, CT, Dave Polsky moved to Green Valley and opened his business, Dave Polsky's Tire and Auto Center in 1999. Dave has been married for 29 years, with 3 children. His oldest is in medical school and his twins are attending Pima Community College. Also active in Rotary, Dave serves on the Foundation Board to help support the community that has supported him.

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    Picture coming soon

  • Dave Sielken

    MEMBER AT LARGE

    Dave and his wife of 54 years, Linda, moved to Green Valley in January of 2014. This followed retirement after 46 years in the materials business, the last 40 serving the global semiconductor industry. He managed and was a member of several teams in his career that provided a broad perspective of resource generation and disbursement. A father of two and grandfather of four, Dave is an avid golfer as well as active in his HOA Board. He and Linda are full time "GV'ers" and enjoy many of the stimulating opportunities available in Southern Arizona.

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    Dave is pictured with Julie and Michelle at the Business Expo, Jan. 2024

  • Dr. Eva Maldonado

    MEMBER AT LARGE

    Eva Maldonado, Psy.D. is a clinical and forensic psychologist. In her private practice in Tucson, she conducts psychological evaluations for individuals involved in criminal, civil and administrative legal proceedings and provides expert consultation to attorneys, local and federal courts. Dr. Maldonado is a Mental Health Expert for the Arizona Superior Court. She is a certified forensic evaluator. Eva lives in Green Valley.

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    Eva’s pictured far right with Julie, Michelle and Kathy at the Boys & Girls Club event in Tubac, 2019

  • Kris Trosper

    Raised in Sahuarita, a graduate of Sahuarita high school and the University of Arizona I have strong ties to southern Arizona. I have a beautiful daughter Raegan. Currently I am the president of Copper Hills Little League. I am also the chairman of the Santa Cruz Valley training and facilities foundation. For a side job I do home loans with Guaranteed Rate Affinity.

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    Kris with his beautiful daughter Raegan

Our Team

Michelle Phillips

EXECUTIVE DIRECTOR
Michelle has been the Executive Director for the Foundation since March 2006. She has over 29+ years’ experience in nonprofits. She holds a Master of Education in Educational Leadership and Bachelor of Science in Hotel/Restaurant Management from Northern Arizona University. She’s been a presenter at a peace conference sponsored by the MPH Sheila Samson Center of Light for 23 countries in Eilat, Israel 2007. She assisted with the center to establish a ‘peace garden’ in Tel Aviv, Israel. Additionally, she has worked with the Center for International Cooperation, an NGO of the United Nations in which she administered courses in prisons and schools helping those find their true purpose in life in service to their communities emphasizing ‘kindness and respect for all life. She holds a lifetime teaching certificate for Pima Community College having articulated training for law enforcement, EMT, fire science and corrections. She is passionate in serving the I-19 corridor of diverse communities, but her heart is with Earth and is most at home on the beach.

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Relaxing in Costa Del Sol, Spain Oct 2023 with Julie

Julie Demchuk

OFFICE MANAGER
Julie hails from London England where she grew up and served in the prestigious banking industry. She and her husband Jeff have lived in Green Valley for over 30 years. She is semi-retired as BMO Harris Bank Manager in Green Valley. Julie has served in several capacities as officer and director for the Community Foundation. Her passion is serving her community especially animals and seniors.

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Julie picking up trash on the Santa Cruz River at a Foundation sponsored event- Santa Cruz County Shining AZ March 2024