Probook is a New York-based startup building an AI operating system for home services businesses, centered on dispatch. Its software overlays existing tools like ServiceTitan to automatically match the right technician to each job, re-optimize the dispatch board in real time, and handle customer intake and messaging. Founded in 2024 by George Eliadis, Lewis Zhang and Ben Cervantez, the company raised $40 million from Andreessen Horowitz and Sequoia Capital and serves hundreds of HVAC, plumbing and electrical contractors across 35+ states.
George Eliadis is the co-founder and CEO of Probook, a New York based company building an AI operating system for home services businesses such as HVAC, plumbing, and electrical contractors. A 24-year-old Wharton graduate who spent six summers pressure washing homes in upstate New York with his father, he started Probook to fix the operational problems he lived through in the field. In June 2026 the company raised a $40 million round, combining a $34 million Series A led by Andreessen Horowitz and a $6 million seed led by Sequoia Capital, and it now serves hundreds of clients across more than 35 states.
Jake Olsen, P.E. is the CEO of Stratus, the leading cloud software platform for MEP (mechanical, electrical, and plumbing) contractors, helping hundreds of firms digitize workflows from BIM design through fabrication to field installation. A serial entrepreneur with over 20 years in construction technology, Olsen previously co-founded DADO - a construction document management startup that was acquired by Stanley Black & Decker - and also built Hangerworks, DEWALT Design Assist, and Powercalc Anchor Design. He steered Stratus to a $32 million Series B funding round in January 2025 led by Radian Capital, positioning the company as the connective tissue between the design table, fabrication shop, and job site in the evolving era of data-driven MEP contracting.