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Mario Costanz

Mario Costanz

The Problem Solver, transforming work with human-like AI conversations

mariocostanz
New York
Joined November 2024

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Summary

Mario Costanz is a serial entrepreneur with a proven track record of founding, scaling, and selling businesses across various industries, including tax preparation, real estate, and technology. His journey from a sanitation worker and high school GED recipient to a Stanford Fellow and CEO demonstrates remarkable drive and an ability to identify and capitalize on market opportunities. theproblemsolver+1
He is a visionary leader in the tax and AI industries, particularly focused on integrating artificial intelligence into practice management solutions. As CEO of Taxaroo and Founder & CEO of Workforce AI, he is developing 'agentic' AI technology that uses human-like avatars for real-time task execution, aiming to revolutionize efficiency and client interaction for tax professionals. taxaroo+1
Costanz has a strong background in the tax preparation franchise model, having built and acquired 99 retail tax offices and founded the first virtual franchise, Happy Tax. His expertise extends to crypto taxation, where he founded Crypto Tax Academy and CryptoTaxPrep.com, addressing the evolving needs of the digital asset landscape. theproblemsolver+1
Known as 'The Problem Solver,' Mario is an author of best-selling business books, a speaker, and an innovator with high risk tolerance. He is committed to sharing his knowledge and experience, having been accepted into Stanford's Latino Entrepreneur Leaders Program, and is dedicated to fostering growth and innovation within the entrepreneurial community. theproblemsolver+2

Work

Education

Notes

TPThomas Powersaid
MCMario Costanz (Workforce AI is hiring eng and GTM)
is one of the most visionary entrepreneurs or business leaders they know.

Feb 5, 2026

TPThomas Powersaid they've seen
MCMario Costanz (Workforce AI is hiring eng and GTM)
make a significant positive impact as a founder before their company exited.

Jan 30, 2026

TPThomas Powersaid
MCMario Costanz (Workforce AI is hiring eng and GTM)
built an AI company they consider especially impressive in terms of vision and execution.

Jan 22, 2026

BBBen Bilbroughsaid
MCMario Costanz (Workforce AI is hiring eng and GTM)
has created an environment where people can really learn and grow their skills in AI agent development.

Jan 12, 2026