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Daniel Coonce Obituary

On June 12, 2023, Daniel Howard Coonce, beloved son, brother, uncle, friend, teacher and adventurer passed away. He was 64. Dan graduated from UC Davis with a BS in Electrical Engineering & Computer Science (EECS). He worked a short time in private industry, but his heart was in education, and he went on to earn his MA in Education. Dan spent his career teaching math and engineering in various school districts in California. In 2016, he was named Westmont High School Teacher of the Year and was known to have an open-door policy both before and after school to tutor his students. A dedicated educator inside and outside the classroom, Dan also coached football and served as the high school Robotics team mentor and instructor. Because he was multi-lingual and loved talking with people and learning, Dan was a world traveler. His favorite mode of transportation was bicycling while towing his dogs in a trailer. His last completed trip began in Fairbanks, Alaska and he peddled his bike with Bella, his pup, 9,000 miles to Patagonia. It took him two years. Dan was a jack-of-all-trades, a master of some, and a creative genius. His craftsmanship is cherished by all who have received his gifts. He is known for his warm smile, ingenuity, determination, and generosity. Dan is survived by his mother, Laura; step-father, Gene; siblings Tom and Lisa; and family.A celebration of Dan's life will be held July 30, 2023; 1:00 p.m.; at Westmont High School Gymnasium.Dan's favorite charities were the United Nations World Food Programme and UNICEF.

To plant trees in memory, please visit the Sympathy Store.

Published by Mercury News on Jul. 9, 2023.

Memories and Condolences
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Cathy Johnsgard

July 3, 2025

I feel so lucky to have had you as a colleague at Westmont. You were always such a joy to be around-fun, kind, and full of energy. I really loved sharing classrooms with you and swapping stories and notes. You had such a special way of connecting with both students and teachers, and you truly inspired so many of us. We miss you more than words can say.

Bob Fitzsimmons

January 3, 2025

Dan is in my home, his ocean eyes and upward-bending smile held in place by a magnet on the refrigerator. Our laws of physics do not hold Dan anymore. I miss you friend.

Cynthia Holman

January 2, 2025

Dan was a beloved friend and colleague. We had many professional and personal adventures. I will always remember his laugh, his hugs and generous heart.

B.T

December 21, 2024

Mr. Coonce was a wonderful teacher and such a kind spirit. I remember meeting him during his first year at Westmont and hearing all about his beloved Bella and the slideshow of their adventures. I couldn´t believe that he spent so much time just cycling through the world like that! As much as I hated math, I loved going to his class. I heard of his passing a months after and made me so sad to hear. All of a sudden all the times he made our class laugh and how many times he´d explain the same concepts to us and never got tired just replayed in my head. I always hoped I would go back and visit but almost 10 years later and life got in the way. I hope he had a wonderful last couple of years because he deserved it. He was too young at heart to have gone so soon. I hope he knew how much of an impact he´s made. He will never be forgotten.

Don Wopperer

June 26, 2024

What a great, interesting guy, and excellent colleague to work with. His humor and dedication will be missed. Condolences to his family, especially his parents.

Chip moore

December 4, 2023

In 1975 Danny was the first guy that I ever saw jump off the roof of the boys gym into the diving pool at Los Gatos high school.
It was that combination of daredevil and intellectual horsepower that made him such a unique guy
This is what sucks about getting older is losing all these people you grew up with.
There is another hole in the floor now that can never be filled.
chip moore

Smith Family

August 26, 2023

Condolences from Becky, Carolyn, and Dr. Russell Smith from Lynbrook High.

The NextFlex Workforce Development Team

August 8, 2023

Dan was a dynamic, engaging, and fun-loving teacher who my team had the pleasure of working with and learning from. His students and their success were always his focus. It was our honor and pleasure to know you, Dan Coonce.

Grove of 100 Memorial Trees

Cathy Johnsgard

Planted Trees

Single Memorial Tree

J Gallant Gronsky + Jerry

Planted Trees

Fred Yukic

July 27, 2023

Dan would at times get a twinkle in his eyes and smile, that I will never forget.

Bob Fitzsimmons

July 27, 2023

Dan's heart was even more open than his mind. I love you and I miss you. Your friend, Bob

Sara Denn

July 20, 2023

I am so sorry to hear of the passing of Daniel. What an accomplished and adventurous man! My love and condolences go out to all that loved Daniel.
Sara (Coleman) Denn

Cluster of 50 Memorial Trees

Fatima Kazimi

Planted Trees

Jim Rieger

July 16, 2023

Dan and I attended school together, k-12. At one point, Dan and I got into an altercation during school hours, and agreed to meet in the orchard across from Van meter elementary School after school and fight. By the time school ended, Dan had forgotten about the appointment, and I had to remind him. We went across to the orchard. We faced off. Dan asked," what are we fighting about?" We had both forgotten. We shook hands and went home. I recall Dan being like that: circumspect, practical, and kind. He told me once about his coaching philosophy, and he seemed genuinely interested in coaching the whole student, anticipating their future participation in society. Farewell, Dan! I'll always remember you; I'll always honor you.

Alex Sabahat

July 9, 2023

He was a great teacher and I will miss him quite a lot, he helped me set my path to do engineering in the military.

Group of 10 Memorial Trees

Karen & Richard LaCuesta

Planted Trees

Tom Coonce

July 5, 2023

I'll miss you, big brother... You blazed the trail ahead of us and lived life "According to Dan". As many of us were focusing on what was directly ahead, you would look at life's beauty and "stop to smell the roses". The world is a smaller place without you. I love you and miss you.

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Memorial Events
for Daniel Coonce

Jul

30

Celebration of Life

1:00 p.m.

Westmont High School Gymnasium

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