Daniel Vernon Madison, PhD, professor of molecular and cellular physiology, died suddenly at his home in Pacifica, California, on Oct. 9. He was 69.
Madison served as associate chair of the Molecular and Cellular Physiology Department at Stanford Medicine from 2016 until his passing and served as the director of graduate studies for more than 25 years. A member of Bio-X and the Wu Tsai Neurosciences Institute, Madison researched how brain cell connections change when we create memories and learn, and what occurs when these processes go wrong.
“Dan combined scientific rigor with a vivacious personality and deep commitment to supporting others,” said Lloyd Minor, MD, dean of the Stanford School of Medicine and vice president for medical affairs at Stanford University. “His leadership, mentorship and excellence in research have left an indelible mark on Stanford Medicine. He will be deeply missed.”
Colleagues remember Madison as a lively personality both in and out of the lab. He believed in science as a framework for understanding life and approached it with curiosity, humor and humility. His large, warm presence instantly made people feel comfortable, his family said.
“He was a genuinely fun guy to be around,” said Richard Lewis, PhD, emeritus professor of molecular and cellular physiology and the current assistant director of graduate studies. “He had a mischievous and somewhat nonconformist sense of humor, and was uncommonly generous, almost to a fault.”
Madison was deeply committed to his students and colleagues, his coworkers said. He fostered a supportive lab environment, mentoring scholars from backgrounds underrepresented in neuroscience.
“Dan was an amazing colleague, a brilliant scientist and a dedicated mentor,” said Miriam B. Goodman, PhD, the Mrs. George A. Winzer Professor in Cell Biology and chair of the molecular and cellular physiology department. “He supported the careers of women in neuroscience and took an active role in creating equitable opportunities in academia.”
A life of curiosity
Madison was born June 16, 1956, in Orange, California, the oldest of four children. His father, Vernon Madison, was an architectural engineer, and his mother, Judy Madison, owned a silk-screening shop. Madison was the “smart” one in the family and had a quirky sense of humor, his sister, Katie Madison, said.
He developed an early fascination with the natural world — starting with ant hills, his family said — and enjoyed extended summer visits with his grandfather near the Oregon-California border. The wide-open landscapes, rivers and wildlife nurtured his curiosity and his love of careful observation, his daughter, Jessica Madison Pískatá, said, and left a lasting impression that fostered a lifelong appreciation for nature, family and exploration.
Madison graduated from Villa Park High School in 1974 and earned a bachelor’s degree in biology from the University of California, Irvine, in 1979. While in college, Madison stayed in touch with his siblings through letters and even brought home some rat brain samples for his little sister.
Dan built an outstanding graduate program and a nurturing environment that provided a welcoming, supportive and enriching experience for generations of students.”
—Liang Feng
In his dorm at UC Irvine, Madison met his future wife, Sasha. They married in August 1980, while he was pursuing a graduate degree in neuroscience at UC San Francisco. His graduate and postdoctoral studies focused on how the brain learns and forms memories.
The Madisons had two children, Jessica and Eric. In 1986, the young family moved to New Haven, Connecticut, where he had another postdoctoral position at Yale University. There, Madison refined his expertise in how neurons communicate.
He joined Stanford Medicine in 1988, one of the first assistant professors recruited to the newly established molecular and cellular physiology department, helping shape the department’s culture, structure and mission. He was the founding director of graduate studies, stepping down in October of 2024. In 2016, he also took on the role of associate chair of the department, which he held until his death.
Madison’s Stanford Medicine office reflected his playful spirit, famously marked by a mounted buck head above the door, a gift from a graduate student (Madison was not a hunter). His lab had a lighthearted atmosphere that included lab get-togethers and spirited discussions. In his early days on campus, he often stayed late at work, occasionally engaging in rolling-chair races down the hallways.
“Dan built an outstanding graduate program and a nurturing environment that provided a welcoming, supportive and enriching experience for generations of students,” said Liang Feng, PhD, an associate professor of molecular and cellular physiology. “When I joined the department, he was one of the first people to stop by my new lab and welcome me — he immediately made me feel at home.”
Madison’s research centered on how synapses — the connections between neurons — work and change, a process known as synaptic plasticity. His area of expertise was the hippocampus, which is essential for learning and memory.
He focused on electrophysiology, studying how neurons communicate by measuring their electrical activity. His laboratory developed tools to record the electrical signals neurons send to each other and used them to investigate how these signals and connections change with age and are affected by disease, including Alzheimer’s.
“Dan was a die-hard electrophysiologist and an unquestioned expert in hippocampal physiology,” Lewis said. “He knew the intricacies of the hippocampus inside and out.”
Madison was also a dedicated educator. He managed a long-standing journal club for graduate students, assisting them in exploring career and research paths. He taught undergraduate and graduate courses such as Neurons and Disease, Molecular Basis of Learning and Memory, Developmental Neurobiology, and a practical minicourse on the hippocampus.
Madison published more than 70 scientific papers and six book chapters, elucidating the fundamental concepts of neuron signaling and plasticity. He was a counselor for the National Institutes of Neurological Disorders and Stroke. He was recognized as a highly cited researcher by the Institute for Scientific Information, placing him among the world’s most influential neuroscientists.
In June 2024, Madison started to close down his lab, planning to retire in June 2026. Although he had no active graduate students, he still loved working in the lab and continued to run experiments to help other investigators.
A passionate, playful spirit
A teacher in every aspect of his life, Madison inspired a deep sense of wonder and excitement about the world in his children. He often visited their classrooms to give hands-on science demonstrations, created playful and inventive songs, and turned everyday moments into opportunities to explore and learn. The family spent summers in Woods Hole, Massachusetts, where Madison taught at the Marine Biological Laboratory.
He brought them to the lab to watch experiments, and he encouraged lively debates about big ideas, nurturing their curiosity from a young age. “He was very invested in teaching his children about the world,” his daughter, Madison Pískatá, said. “He was goofy and joyful, and he really knew how to engage us in learning.”
Outside the lab, Madison was eclectic, curious and endlessly engaged. His hobbies ranged from experimenting with fermented beverages to tending to his garden. In his younger years, he enjoyed scuba diving and skiing and was an avid runner. He was a sports fan, following the San Francisco Giants and especially the 49ers — he frequently traveled with his son, Eric, to watch them play.
Madison was a devoted grandfather. During a recent visit with his daughter and her newborn, he kept them company during middle-of-the-night wakings — holding his granddaughter and watching food travel shows together.
He was a bookworm, balancing classic literature with science fiction like The Hitchhiker’s Guide to the Galaxy. He loved the humor of Monty Python and Gary Larson. He enjoyed 1970s classic rock, especially David Bowie and Elton John. He introduced his children to pop culture classics, including Star Wars and Monty Python. His beloved Labrador mix, Bella, was a constant companion.
“I was so proud of Dan and all that he accomplished,” Katie Madison said. “He was a great big brother.”
The Madison family also enjoyed traveling together, including visiting his sister in Hawaii several times; going on cruises; and taking iconic family trips to Ireland, the Cayman Islands and the Czech Republic.
Over the years, the family moved around the Bay Area. The Madisons divorced in 2006, with Daniel Madison settling in Pacifica.
Throughout his career, Madison received numerous awards. He was the Lucille P. Markey Scholar in Biomedical Sciences for a decade. In 1994, he received the Society for Neuroscience Young Investigator Award. For his mentorship and teaching, he was honored with the Award for Excellence in Mentoring and Service from the Stanford Medicine Office of Graduate Education in 2023.
Madison is survived by his former wife, Sasha Madison, of Sunnyvale, California; his son, Eric Madison, of Pacifica; his daughter, Jessica Madison Pískatá, son-in-law Kip Pískatá and granddaughter, Petra, of Oberlin, Ohio; and his siblings, Katie, Tom and Philip. His parents predeceased him.
A memorial service honoring Madison will take place on Jan. 17, 2026. A fund has been created in his name to support graduate students in the molecular and cellular physiology department. Interested donors can direct their gift to “The Dr. Daniel Madison MCP Student Support Fund (GHKJP)” in the donation form. Donations in his name to the Silicon Valley Second Harvest Food Bank are also gratefully accepted.
