John Wintersteen โ€” investor profile photo

John Wintersteen

RETIRED United States Marine and Chief of Police & NOW full time volunteer in community youth development programs

๐Ÿ“ Paradise Valley, Arizona, United States๐Ÿ”„ Updated November 2026๐Ÿ’ผ 2 investments๐Ÿ“… 31 years investing๐Ÿ—“ Last invested Jun 2005
Angel investor๐ŸŒ United States
2
Total investments
0
Early stage
0
Mid stage
0
Late stage
31y
Years active

Portfolio

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Experience ยท 2 entries
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Investments (2)
Board (2)
2005
Kronos Longevity Research Institute
legacy board member
Jun 2005
1995
BSA Grand Canyon Council
Executive Board member (& many other functions)
Sep 1995
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