David S Howell

Saint Louis, Missouri
David S Howell Expert Witness
Curriculum Vitae

Mobile App Development • Software Engineering • IP

Contact this Expert Witness

Specialties & Experience of this Expert Witness

General Specialties:

Software Engineering and Intellectual Property

Keywords/Search Terms:

Software, Mobile, Apps, Patent, Trade Secret, Infringement, Source Code, Inspection, Android, Development, macOS, Engineering, iOS, Kotlin, Objective-C, Java, Swift, IP, AI, ML

Education:

Master of Legal Studies, Washington University School of Law; MS Computer Science, Portland State University; MBA, Cornell University; BS Computer Science, Case Western Reserve University

Years in Practice:

37

Number of Times Deposed/Testified in Last 4 Yrs:

4

Additional Information

David Howell is a former Apple software engineer with more than 35 years in the software industry and experience teaching computer science and engineering management at a graduate level. He has founded three startups, including one acquired by Apple, with a focus on mobile, desktop, and web apps, and is currently CEO of Expert Guild, an agency that helps litigation teams find the perfect testifying expert for technology and healthcare-related cases. In the past his roles have included Chief Executive Officer (CEO), Chief Technology Officer (CTO), VP of Engineering, Senior Software Engineer, and member of Boards of Advisors. As CEO of Avatron, he led a team of ex-Apple engineers to build world-class productivity apps for mobile devices. At Apple he managed a platform enabling third-party visual-effects plug-ins for film and video. As an expert witness, Mr. Howell has written 19 opinions, testified in Federal court twice and in arbitration court once, and has been deposed four times, in cases involving patent infringement and validity (including five PTAB inter partes reviews), contract disputes, trade-secret misappropriation, fraud, and wrongful death. He holds 8 patents for software and hardware inventions. His cases have included such parties as Apple, Amazon, TikTok, Eli Lilly, Intuit, and Alarm.com. In addition to software engineering, Mr. Howell consults and testifies on general entrepreneurship, engineering strategy, startup investment, and the software lifecycle.