Gwen P. Keller
May 13,1961 – October 16, 2025
Gwen P. Keller, a dedicated biologist, passionate naturalist, and devoted family member, passed away on October 16, 2025, after a courageous battle with cancer. Born on May 13, 1961, in Dayton, Ohio, to Thomas Keller and Bonnie Sortman Keller, Gwen lived a life marked by scientific curiosity, adventure, and profound compassion.
A distinguished scholar, Gwen earned her B.S. and M.S. degrees in zoology from Miami University before completing her Ph.D. in Entomology at the University of Georgia. Her professional journey was anything but conventional, as she valued rich experiences over material wealth. In her 40s, Gwen began working for the USDA as an entomologist, making significant contributions to pest control by overseeing the technical aspects of mass-rearing sterile insects in Panama and Guatemala.
Gwen’s love for the natural world knew no bounds. Her insatiable curiosity drove her to explore the ecological, evolutionary, and molecular intricacies of life. An avid naturalist, she found joy in parrots, snakes, insects, photography, metalsmithing, scuba diving, snorkeling, camping, and bird watching. Her work and passions took her to Central America, where she spent more than half her life dedicated to scientific research and environmental understanding.
A beloved sister to Lisa Keller and the late Leslie Keller-Biehl (Richard Biehl), Gwen was a cherished step sister to Hugh and Mea Powell (children, Helen and Gareth) and aunt to nephews Lucas (Kirsten) Keller-Biehl, Alex T. Keller-Biehl (Jordan), and Jay C. Keller-Biehl (Jade King), and great aunt to Forrest, Lincoln, and Noelle (Keller-Biehl). She was known for her selflessness, kindness, and generosity, valuing the company of family, friends, and colleagues above all else.
Throughout her life, Gwen embodied an ethic of service—to her family, friends, colleagues, and country. She approached her final challenge with the same scientific curiosity and courage that defined her professional life, fighting cancer with remarkable strength and grace.
Gwen will be remembered for her brilliant mind, her adventurous spirit, and her deep love for the natural world. She lived a life rich in experience, knowledge, and meaningful connections, leaving an indelible mark on those who knew her.
She is survived by her parents, her sister Lisa, her nephews, and countless colleagues and friends whose lives she touched with her remarkable spirit.
A celebration of Gwen’s life will be held on Saturday, October 25th at 1:00pm at Woodland Cemetery & Arboretum, 118 Woodland Avenue, Dayton, OH 45409. Loved ones wishing to attend the burial ceremony should arrive at the administration buildings at the entrance to Woodland Cemetery by 12:45pm.
In lieu of flowers, the family suggests donations to a conservation or scientific research organization that aligns with Gwen’s lifelong passions.
McIntire, Bradham & Sleek Funeral Home is assisting the family.
Online condolences may be left for the family at www.mcintirebradhamsleek.com.



Gwen is well remembered and loved in Panamá. My husband Rafael remembers her fondly too.
Thank you Gwen for your presence and energy. We shall do our best to carry the torch.
From Charlotte and Rafael
With deep sorrow, I learned of Gwen’s passing. Her passion for birds was truly inspiring. I feel fortunate to have explored the forests of Coiba alongside Gwen and colleagues, in search of the scarlet macaw’s last refuge. It was a spectacular sight.
My heartfelt condolences go out to her family during this difficult time.
Prayers for my cousins family. May she rest in peace.
My heart and love goes out to the family. Gwen and I had so much fun growing up together. See you at the gate!!! I love you always…
❤️ Teresa
It was with deep sadness and sorrow that I learned about the passing of my dear friend and life sister Gwen Keller. We meet about 30 years ago and through out that time we kept in touch as we both followed our own paths. She was such a wonderful, kind and warm soul. Her passion and love for nature and for life was so inspiring. I had the blessing of spending a bit of time with her this past October while she visited Panama. She shared with me invaluable lessons that I will cherish in my heart. Thank you my friend for so much and for everything! Love you always. Your heart and soul will always flight high as the birds you loved so much.
My condolences go out to her family and close friends.
Gwen, siempre será recordada desde Panamá por sus amigos la Familia Fadul Morales. Gwen fue una persona muy querida por su buen do de persona, atenta y desprendida en siempre dar su cariño y amistad. Gran apasionada de la naturaleza. Trabajamos juntos por 8 años y como colegas aprendí mucho de su experiencia y conocimiento. Nos vimos la última vez el 2 de octubre pasando un buen momento…me sorprendió su partida, pero se que está en un mejor lugar….en mis recuerdos Amiga querida. De parte de Leonor y Guillermo. Descansa en Paz.
Your love for parrots is just one of many things I will always remember you for. Every time I see ever see one I instantly think of you. Your compassion you showed family, friends and country will be your legacy and I will always remember the kindness. May you rest in peace now friend. I keep thinking of the reunion it must have been with you and Leslie. Thoughts and prayers for the family and friends!
My deepest condolences to Gwen’s family.
She was a good a friend and thought me a lot about science applied to IPM. We had great talks and her love for nature, bees and insects was always in everything she did.
We will always be thankfull for your unconditional support and friendship.
Rest in peace.
L. Avila
Gwen and I became acquainted through her frequent visits to the Hueston Woods Nature Center where she was a highly valued, respected and capable volunteer assisting with rehabilitation of birds of prey and care of the reptile collection. Moreover, she astonished us with endless walks, her powers of observation, and miscellaneous studies, making each day some new acquaintance with Nature. Her appetite for exploring the natural world was enormous and her curiosity insatiable. Fresh from college, whilst her colleagues and companions were choosing their profession, or eager to begin some lucrative employment, Gwen made the rare decision to decline all the accustomed paths and keep her solitary freedom necessary to pursue a much more comprehensive calling, the art of living well. Moreover, she possessed a near perfect probity, was exact in securing her own independence, and was willing to accept and embrace differences in others. Rarely idle or self-indulgent, Gwen preferred, when she wanted money, earning it by making jewelry or guiding enthusiasts into the Panamanian wilderness which further fueled her interest in and reverence for its indigenous people, their ancestral traditions and art. Her passion for the latter is evidenced by her delightful collection of colorful, intricate textile pieces of the Guna people, called molas, woven baskets from the Ebera’ – Wounaan communities and all manner of exquisite wood and hard ivory palm seed (“tagua”) carvings. With her hardy habits, wanderlust, and few wants, she was very competent to live in any part of the world and was therefore secure of her leisure. The manners and talk of highly cultivated persons were of little use to her as she much preferred a good Indian, and considered frivolous refinements as impediments to honest conversation, wishing to meet her companion on the simplest terms. Gwen relished the company of her family, close friends and young people, particularly her nephews whom she loved, and whom she delighted to entertain, as only she could, with endless anecdotes of her experiences in nature – always ready to lead them on some sort of adventure searching for or showing them some wonderful wiggly thing. Alex summed it up best saying – “Gwen was the cool aunt.” Indeed, it was a pleasure and privilege to walk quietly beside her in a familiar wood, to observe in silence her patience, still as a part of the rock she rested on, until the bird, the reptile, the bug, which had retired from her, should come back and resume its habits. One must submit completely to such a gifted naturalist guide, and the reward was great. Her determination to understand nature was organic and guided her work and passion for herpetology and entomology. Her ever-apparent intimacy with animals, particularly insects, left one to wonder if she had told the bees things or the bees had told her. Gwen’s eyes were open to Nature’s beauty, her ears to its music, and her mind to its simple genius.
On a more personal note, I will always be in her debt. When my future was in question I contemplated veterinary medicine, but Gwen scoffed at the notion, insisting that I was far better suited to being a physician. She connected me with her advisor, tutored me through math and chemistry and purged occasional feelings of self-doubt from my mind. My life’s journey was a benefactor of her presence in so many ways. It was Cindy’s and my great pleasure and privilege to stand by and with her during these past eighteen or so months.
Gwen lived to love, laugh, and learn. Her courage, resolve and the simple eloquence of her example leaves an indelible mark on our lives. It seems an injury that Gwen should leave us this way. But I believe she, at least, is content having left her mark on science and having explored more of the world than most. Wherever there is knowledge, wherever there is virtue, wherever there is beauty, she will find a home. Gwen was genuinely there for each of us, always ready with a kind word…a kind thought…a kind deed…we will miss her very much.
With much love,
Tony and Cindy