Leonard Lattanzi

Leonard Lattanzi 081920 onlineSelf described as “terse, dogged and a smidge snarky,” Leonard Frank “Len” Lattanzi passed away at home in Los Altos, CA, on May 22, 2020 of advanced pancreatic cancer. A long-time resident of Los Altos, he was 55.

Born in San Francisco, Len grew up all over the world while his parents, Angelo Frank Lattanzi and Aurelia Ibarra Ramos Lattanzi, served overseas with the United States Information Service. Len attended preschool in London and Rome, elementary school in Ethiopia and Nigeria, middle school in Centreville, Virginia, and high school in Guadalajara, Mexico. Len and three “partners in crime” enlivened high school with creative pranks, and their shenanigans led to lifelong friendships.

Len fondly shared memories of friends and fun from Hammarskjold House, Stanford’s international theme co-op. Fellow Hammies remember Len for bringing everyone together with a soccer ball on the lawn, and breaking his collar bone during a wheelbarrow race. Len graduated from Stanford University in 1985 with a major in Mathematical and Computational Science. Just after graduation, he gave a back rub to a girl while watching the Live Aid concert on TV in Hammarskjold’s lounge, and married her two years later. Len and Heather missed celebrating their 33rd wedding anniversary by one day.

He led a successful software engineering career at well known companies such as MIPS and Apple, but he was most proud of Migration Systems, the startup that he co-founded with three others.

Len will be remembered for his kindness, honesty and sense of humor. He was always the first to tell a joke, or retell a bad joke just to laugh at the groans from his family. He loved soccer, coaching AYSO teams for each of his three daughters and playing pickup games weekly for over 20 years. His other passion was his love for animals. He and his family fostered almost 100 dogs through Furry Friends Rescue. 

Len was immensely grateful to his medical team for doing their best to treat him in the midst of a global pandemic, and to our friends and neighbors for the outpouring of love and support after his diagnosis. 

Len is survived by his wife, Heather (Wichman) Lattanzi; and three daughters, Ariel Maria Lattanzi, Celeste Nicole Lattanzi, and Naomi Michelle Lattanzi. The family would like to hold a celebration of life at some point in the future when the social distancing of the coronavirus has been lifted. Memorial contributions in his name may be made to Furry Friends Rescue at He is greatly missed.

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