Tim Whitacre is a seasoned technology leader and entrepreneur with over a decade of experience building products, teams, and companies across startups and mission-driven organizations. As Co-Founder & CTO of Hopeware and CTO at Lybbie, he blends hands-on engineering with strategic leadership to deliver IoT devices, web apps, and data tools that support real-world missions. He previously scaled engineering at New Story—helping pioneer tech solutions to end global homelessness—and co-founded a company that was successfully acquired. A pragmatic full‑stack developer, Tim contributes to open-source projects (notably backend work on the Unmark bookmarking app) and has deep experience in PHP, Ruby, and JavaScript across e-commerce and CMS platforms. He also writes and mentors through the Code School Book, guiding career changers into tech, and invests in early-stage founders via Adventure Fund and Sunset Labs. Based in Kansas City, Tim combines operational grit, product empathy, and an educator’s mindset to turn complex problems into practical, impactful solutions.
13 years of coding experience
15 years of employment as a software developer
Bachelor of Science Counseling and Applied Psychology, Bachelor of Science Counseling and Applied Psychology at Clarks Summit University
Contributions summary:Tim primarily worked on the back-end aspects of the Unmark bookmarking app. They were involved in implementing tabbed navigation and styling and made adjustments to the view structure. The code differences indicate interactions with PHP files, likely related to managing bookmarks and user interface elements. Their contributions focused on the core functionality and potentially the presentation layer of the web application.
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Tim Whitacre - Co-Founder & CTO at Code School Book