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In Loving Memory of Dr. John A. Davis III

John, a shining light in our lives, peacefully embarked on his final journey with family by his side on June 10, 2023. With heavy hearts and profound sadness, we bid farewell to a remarkable man who touched the lives of so many with his eternal optimism, entrepreneurial spirit, and zest for life.

Always seeking to push the boundaries of what was possible, John approached every endeavor with unwavering determination and infectious enthusiasm. He possessed an irrepressible spirit of adventure, witty sense of humor, and an insatiable love of life. Above all, John was a beacon of joy, laughter, and warmth. His compassionate nature and ability to connect with others made him a cherished friend. John was a world traveler, enjoyed scuba diving, and loved spending time with family and friends in his Knoxville, TN, home overlooking the Great Smoky Mountains.

Sadly, John’s life was cut short by cancer. Throughout his brave and gallant battle, he served as a reminder of the power of the human spirit. Although we grieve the loss of our beloved John, we also celebrate his extraordinary life. May his legacy inspire us to reach for the stars, to never stop exploring, and to always embrace the bonds of love and laughter that he held so dear.

John was greatly loved and will be missed by his family and the many friends who were a part of his life. Rest in peace, dear John. Your light will forever shine brightly within our hearts. Godspeed...until we meet again.

John, age 69, was born in New London, CT. He lived in Houston, TX, and Knoxville, TN, and had a home in Tiburon, CA, that he visited frequently. He was a dedicated board-certified Emergency Room physician, who worked for years in high acuity Level II trauma centers, an accomplished author of two thrillers on terrorism, a successful entrepreneur, and the CEO and Co-Founder of Five Vital Signs (5VS), a medical biosensor that will save thousands of military and civilian lives. He attended The Kinkaid School in Houston, TX; the United States Naval Academy in Annapolis, MD; the University of Texas at Austin for his MBA; University of Texas at Galveston for medical school; and Louisiana State University for his residency. John was a military veteran who served five active years of duty in the Navy.

John was the proud son of John A. Davis, Jr. from Los Angeles, CA and Agnes Dollar Barr Davis of San Rafael and Tiburon, CA, who both preceded him. He is survived by his wife, Diane Croft Davis; sister Heidi Davis Barnes; brother Arthur Davis and sister-in-law Heather; sister Doreen Davis-Owen and brother-in-law Philip Owen; along with his niece Catherine Barnes, nephews Nick and Austin Barnes, and Luke and Hunter Davis. A beautiful memorial was held in his honor in Houston, TX. There will be a private family Celebration of Life in Tiburon, CA. John’s final resting place will be by his father’s side at Arlington National Cemetery, with full military honors.




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