John M. Guidos Obituary – Midwest Community Mourns Guidos Death
CHICAGO, Illinois — The Midwestern technology industry, venture capital community, and corporate legal profession are mourning the unexpected passing of John M. Guidos, Esq., a respected entrepreneur, accomplished attorney, and business executive whose leadership influenced numerous high-growth companies and innovative startups. John passed away on Wednesday, July 8, 2026, leaving behind a remarkable legacy of innovation, strategic leadership, and professional excellence.
A Career Bridging Law, Technology, and Business
Throughout his distinguished career, John became known for his unique ability to connect technology, business operations, and corporate law. As Chief Operating Officer of Established, he helped organizations embrace innovation and scale efficiently. His work as a venture capitalist and legal adviser empowered entrepreneurs to transform promising ideas into successful businesses.
Personal Details
Detail Information
Full Name John M. Guidos, Esq.
Date of Passing Wednesday, July 8, 2026
Profession Technology Executive, Corporate Attorney, Entrepreneur, Venture Capital Investor
Current Roles COO, Established; Managing Member, Established Ventures
Notable Achievement Co-Founder & COO of TurboAppeal, Inc. (acquired May 2017)
Previous Role COO, The Anthos Group (AgTech Innovations)
Legal Practice Managing Partner, Law Offices of Guidos & Associates Ltd.
Bar Admissions Illinois (2006), Wisconsin (2012), Indiana (2021)
Education JD, DePaul University College of Law (2005); BA, Purdue University (2002)
Community Involvement McHenry County School Trustee; Willow Creek Legal Aid Ministry
TurboAppeal: Pioneering AI in Real Estate
One of John’s most notable achievements was co-founding TurboAppeal, Inc., where he served as COO. Long before artificial intelligence became mainstream, the company leveraged big data and machine learning to modernize property valuation and taxation. Under his operational leadership, TurboAppeal grew rapidly and was successfully acquired in May 2017, cementing his reputation as an innovative entrepreneur capable of transforming emerging technologies into scalable businesses.
Remembered for Leadership and Character
Colleagues and friends recall John as a visionary leader admired for his integrity, mentorship, and forward-thinking approach. His influence extended across technology startups, venture capital networks, and the legal profession, where he consistently championed innovation and collaboration.
Funeral Arrangements
At the time of publication, funeral and memorial service details have not yet been announced. The Guidos family is expected to share information once finalized.
Heartfelt condolences are extended to John M. Guidos’ family, friends, colleagues, and the many communities touched by his remarkable life. His legacy of innovation, mentorship, and service will continue to inspire future generations.