Meet Our Team


Evan Demestihas, MD

Founder & Curator, Chairman, Delphi Gardens Foundation

Joyce Demestihas, PT, MA

Founder & Healing Arts Host

Evan and Joyce Demestihas are high school sweethearts originally from Brooklyn, New York, now approaching their golden wedding anniversary. Together, they have built a rich family life, raising four children and delighting in ten grandchildren.

Evan is both a pharmacist and a physician, and Joyce is a physical therapist—careers rooted in service, healing, and deep care for others. After retiring several years ago, they began thoughtfully transforming their home and surrounding property into what has become Delphi Gardens.

Now residing in Buckhead to be closer to their children and grandchildren, Evan and Joyce have been able to dedicate renewed energy to shaping Delphi Gardens as a place of beauty, gathering, and generosity. Envisioned as both a sanctuary and a community asset, the gardens reflect their lifelong values of connection, stewardship, and giving back.

They remain actively involved in the ongoing development and stewardship of Delphi Gardens and the Delphi Gardens Foundation, ensuring that their vision, hopes, and guiding principles continue to flourish—bringing joy and inspiration to the community for generations to come.


Stephanie Clement

Steward of Programs & Community

Stephanie Clement is a mindfulness, yoga, and wellness facilitator with over 20 years of experience designing and leading restorative programs for individuals, communities, and organizations. Her work blends yoga, meditation, and nature-based practices to create accessible, grounded experiences rooted in care and presence.

With a background in education and sports medicine from the University of Georgia, and more than 15 years teaching in public schools, Stephanie brings clarity, trauma-awareness, and thoughtful structure to every space she holds. She is a certified meditation teacher, registered yoga teacher, and Nature Connection Facilitator.

As Steward of Programs & Community at Delphi Gardens Retreat Center, Stephanie supports gatherings with intention and steadiness — creating opportunities for guests to slow down, reconnect, and grow.

Rebecca Bishop

Keeper of the Grounds · Steward of Land & Living Systems

Rebecca Bishop brings more than 25 years of experience in horticulture, landscape design, and arboriculture. Her career spans wholesale and retail nurseries, landscape architecture firms, landscape contracting, and tree farms — blending thoughtful leadership with hands-on land stewardship.

She holds degrees with honors in Horticultural Science and Landscape Design and is an ISA Certified Arborist, Master Gardener, and Georgia Green Industry Association Certified Nursery Professional. Her systems-based approach honors ecological balance, seasonal rhythm, and the human experience of being in nature.

At Delphi Gardens, Rebecca tends the gardens, trees, and living systems that hold every gathering. Through attentive care and long-term stewardship, she ensures the property remains healthy, welcoming, and resilient throughout the seasons.