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Jay Loeffler Obituary

Dr. Jay Steven Loeffler

On Thursday, June 22, 2023, Dr. Jay Steven Loeffler, MD, FACR, FASTRO, passed away at the age of 67 after a brief illness. A distinguished physician-scientist, he leaves a profound legacy of achievements that have advanced the field of oncology and improved the lives of countless adults and children with cancer. Jay was the Herman and Joan Suit Professor Emeritus and Professor of Neurosurgery at Harvard Medical School (HMS). For 20 years he served as Chairperson of Radiation Oncology at Massachusetts General Hospital (MGH).

Jay was a man of many gifts. Among his exceptional qualities was his sharp wit, keen mind, and insatiable curiosity. His uncommon ability to recall personal details led to many sparkling conversations that ensured all who spent time with him felt valued and special.

Jay, originally from Carlisle, Pennsylvania, attended The Hill School, Williams College, and the Alpert Medical School at Brown University. He completed his training at the Harvard Joint Center for Radiation Therapy, where he served as Chief Resident. His interest in neuro-oncology led him to become an attending physician at Brigham and Women's Hospital and Dana-Farber Cancer Institute, where he became the founding director of the Brain Tumor Center.

In 1996, he was recruited to MGH to be the Director of the Francis Burr Proton Therapy Center, which at the time was only the second proton center in the country. His leadership led to his becoming Chair of the Department of Radiation Oncology at MGH where he significantly expanded the department by hiring and mentoring a diverse faculty with exceptional academic prowess. Jay recently retired from MGH after holding leadership roles for 25 years. After retirement from MGH, Jay remained devoted to patient care and continued his clinical work at Inspire Oncology in Naples, Florida.

Jay's vision, advocacy, and intellect, along with his innate ability to hire and mentor brilliant individuals, have forever changed the field of oncology. Through his pioneering work, Jay catalyzed the development of specialized radiation delivery technologies such as stereotactic radiation and proton therapy. These pivotal advances have spurred the development of technologies that have been widely adopted and that have resulted in cancer therapies that have led to meaningful improvements in both quality of life and increased survival for those with cancer.

Jay authored more than 400 scientific publications and was co-editor of nine cancer textbooks. He was a Member of the National Academy of Medicine, the American Society for Radiation Oncology, and American Association of the Advancement of Science. He was also a Fellow of the American College of Radiology.

Throughout his career Jay was lauded with countless awards and prestigious honors by his colleagues from around the world. Yet, if asked, he would immediately note that the greatest treasure of his life was his loving, devoted family and the enduring happiness he experienced in his over three-decade marriage. Jay met his wife, Dr. Nancy Jane Tarbell, MD, FASTRO, while residents, forging a deep and lasting connection grounded in their shared passion for medicine and science. They were devoted not only to each other but also to curing adults and children with cancer. Throughout their marriage, Jay and Nancy shared mutual love for travel, history, and reading. Jay, a talented athlete, played many sports and was an avid sports fan but enjoyed golf and baseball especially.

Jay was predeceased by his father, John "Jack" George Loeffler, MD. He is survived by his beloved wife of 35 years, Dr. Nancy Tarbell, and by their children: Brian (Johnny), Steven (Maddie), Avery, and grandchild John "Jack" Loeffler (of Steven and Maddie). He is also survived by his mother, Jody Loeffler of Carlisle, PA, his siblings John Loeffler (Debbie) of Bridgehampton, NY, Jan Bergen (Tom) of Lancaster, PA, and their respective children and grandchildren.

A celebration of his life will be announced at a later date to be held in Boston, MA. In lieu of flowers, gifts in memory of Jay may be made to the Massachusetts General Hospital Cancer Center. Gifts can be made online at https://giving.massgeneral.org/ please select "How to Give" and in the drop-down menu select "Make a Tribute Gift" and indicate Dr. Jay Loeffler. Checks can be mailed to Megan Daniels in the MGH Development Office, 125 Nashua Street, Suite 540, Boston, MA 02114. Checks payable to MGH Cancer Center, in memory of Dr. Jay Loeffler.

Published by Carlisle Sentinel on Jun. 29, 2023.

Memories and Condolences
for Jay Loeffler

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Brian Spillman

January 16, 2025

I had a rare brain tumor when I was 29 years old. Nobody in the Washington DC area had worked on it, so they sent me to Dr. Loeffler. He saved my life. I play golf & live a normal life due to his brilliance. He was also a great, personable guy! Miss you, doc.

Mark Fuoco

August 31, 2024

i heard the passing of Dr. Leoffler. I had a AVM brain bleed in 1990 at the age of 6. He was in my case in children's hospital Boston. If this wonderful team of doctors was not there. I would not be alive today. My saddest condolences to his family. This legacy lives on forever.

Tracy Batchelor

June 21, 2024

Remembering our friendship everyday. Miss Jay everyday. All my best wishes to his family.

Dale Holman

June 19, 2024

I will always remember Jay as an exceptional physician, and a kind and thoughtful person. He made our world a better place.
Dale Holman

B C

March 11, 2024

Sincere condolences to the family of this incredibly kind and talented man. In 1996, he planned and performed SRS on my husband -then age 36 -who had a Grade 4 GBM resulting in my husband living 23 years with a fulfilling legal career and seeing his 3 children graduate from college. Jay´s life and career are and amazing legacy and testament to scientific inquiry/application and patient care

Lisa Diller

September 8, 2023

I just learned of Jay´s passing. Jay and I sat in many work-related meetings together and I admired his brilliance, devotion and eye-on-the-goal directness (where the goal was better treatment for cancer). More than that, seeing Nancy´s and Jay´s marriage over the years -a marriage of two dedicated academic physicians - provided an inspiring model for my husband and me, when we began as a couple, as we raised children, and now 30 years into it. I send a big hug to Nancy in this difficult time, and share my thanks and memories.

Richard Maged

September 5, 2023

I just learned of Dr. Loeffler´s passing. I was diagnosed with an acoustic neuroma in 1988. Dr. Loeffler gave a great effort to provide me with small field radiation . Unfortunately the tumor was too big. He was kind enough to stay in touch with me and help guide me through the surgery. Dr. Loeffler was a great human being and will be sorely missed.

Lorraine Marin, MD

September 5, 2023

Jay was my physician colleague and friend. He was a natural leader who was also brilliant, kind, and modest. 25 years after I first met Jay, I was diagnosed with two curable brain tumors which he treated with post-operative proton radiation at MGH. He made difficult treatment so much easier. I'm here today as a testament to his great care. His family, friends, and colleagues are fortunate to have shared his life.

Nancy Buckley

July 22, 2023

My condolences. A very grateful patient from MGH.

Zeesy Schnur, Executive Director, Brain Tumor Foundation

July 17, 2023

On behalf of the Brain Tumor Foundation we express our deepest condolences -- Dr. Loeffler was one of the founding members of BTF's Scientific Advisory Group and highly respected by his colleagues and friends especially our founding President Dr. Patrick J. Kelly and our President Emeritus Dr. Philip Stieg. May his memory be for a blessing.

Daniel "Potsy" Potenza

July 16, 2023

I am very sad to hear of Dr. Loeffler´s passing. He always treated me kindly whenever we met at MGH. His support during and after my daughter´s successful cancer battle meant so much to my family!

John Dutrey

July 3, 2023

God bless you, Jody

Dale Holman

July 2, 2023

Dear Nancy and family.
I am so sorry to hear about Jay. He was a wonderful man and outstanding physician. I remember with fondness
The last time I saw him is when he came into Len´s room at the hospital a couple of weeks before Len died. Len truly appreciated his visit.
It is extremely difficult what you and your family are going through now.
My thoughts and heartfelt sympathies are with you all.
Dale Holman

John W Dutrey

June 30, 2023

John's lil brother. What an incredible man he became. A great loss

Mevion Medical Systems

June 30, 2023

It is with heavy hearts and profound sadness, we bid farewell to Dr. Jay Loeffler, a true visionary in radiation oncology. We pay tribute to his dedicated advocacy for proton therapy, exceptional mentorship, and remarkable contributions to research, education, and patient care.

We cannot overstate the invaluable support and guidance Dr. Loeffler provided as the co-chair of our medical/technical advisory board. His wisdom and dedication have been indispensable to our organization, and we are profoundly grateful for his contributions.

In 2022, when he was honored with the NAPT Lifetime Achievement Award he shared with us his belief that "when the world of oncology understood the results of proton therapy, it led to an explosion of interest in protons" and he continued his work to "reduce the cost and improve access to proton therapy, bringing it closer to the patients." He was proud that his leadership at MGH showed proton therapy to be a tool that "can augment surgery, medical oncology, and immunotherapy."

Dr. Loeffler's impact extended far beyond his professional achievements. He touched the lives of countless patients and forever influenced the field of radiation oncology. During this time of profound loss, our thoughts and condolences go out to his family, especially his beloved wife, Dr. Nancy Tarbell. May they find solace in knowing that Dr. Loeffler's contributions will be remembered and celebrated for generations to come. His unwavering dedication, visionary leadership, and tireless pursuit of excellence will forever be etched in our hearts and minds.

Mevion Medical Systems

luke farrell

June 30, 2023

To the Loeffler family,

I am deeply sorry for your loss. Dr. Loeffler has been my radiation oncologist since I was just 20 years old. Not only did he guide my family and I through an incredibly difficult time, he quickly became a friend. I am forever grateful for the time, effort, and compassion Dr. Loeffler has shown me. Not only did he extend the years of my life, his friendship made them better. In very difficult times he was able to give me an overwhelming sense of hope and importance. I am truly thankful to have known him.

With love and admiration,

Your friend,
Luke

Matt Jones

June 29, 2023

Having grown up together it was plain to see that Jay was destined for great things. A best friend in younger years that I cherished and will treasure the many memories we shared.

Mary Vallance Franco

June 29, 2023

To the Loeffler family, We are so sorry to learn of Jay's death. He was a remarkable and wonderful human being and this loss will leave an enormous hole in the lives of those who knew and loved him.His contributions to science are astonishing and his personality just as much of a gift to those who were fortunate enough to know him. With sincere sympathy...

Single Memorial Tree

Andy Ryan

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John Boyages

June 27, 2023

Dear Nancy and Family. So sorry to hear about Jay. You and Jay were always so welcoming to me in 1988 when I did my fellowship at the JCRT, and Jay was extremely generous with his time when we were setting up our brain radiosurgery program at Westmead Hospital. His leadership skills, courage to take on challenging cases and compassion were clearly on display during my fellowship.

Georgene R Fontana

June 27, 2023

Nancy, I´m so sorry for your loss. Jay was a great person and physician. I´ll never forget the time he asked me for a motorcycle ride at Agnese´s house during our summer picnic. It was a great and memorable honor. Love and warm regards, Georgene

Dale Holman

June 27, 2023

Dear Nancy and your wonderful children,
I am so sorry to hear of Jay´s death. He was a wonderful man and a good friend to Len. I remember when Jay came to visit Len before Len died.
My heart goes out to you all.
With my sincere and deepest sympathy,
Dale Holman

Edie Sinagra Constantine

June 26, 2023

Dear Dr. Tarbell (Nancy) I am so profoundly sorry for your loss of your husband Dr. Loeffler...May he rest in peace and my you and your family find comfort in the memories he left behind...Sincerely, Edie Constantine

Ralph Weichselbaum

June 26, 2023

I am so sad to hear this terrible news. My deepest condolences to Nancy and Jay´s family. I have many fond memories of Jay he will be deeply missed. May his memory be a blessing.

Maureen Bergeron Bates

June 26, 2023

My heart goes out to Nancy and the children, Avery, Stephen and Brian. Jay was a wonderful man. We shared many stories about the latest sports news when he came to the office to meet Nancy. They had such a loving and respectful relationship. May the endless memories of Jay fill the broken hearts of his passing. My deepest sympathies. Maureen Bergeron Bates

Jeanette Ives Erickson

June 26, 2023

Brenda Starr

June 25, 2023

Dr. Loeffler was my radiation oncologist at MGH for many years. He was knowledgeable, kind, thoughtful, thorough and above all compassionate. He was the embodiment of what a physician should strive to be: an insightful listener, a skilled clinician, and a gentle, empathetic healer.
I enjoyed our conversations immensely - we shared a love of travel and often discussed our experiences and discoveries.
He will be sorely missed. His legacy is far reaching.
My heartfelt condolences to his family, friends and colleagues.
-Brenda Starr

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