Marc J. Greenberg, Fractional CTO

A technical right arm for operators who are behind on AI and need someone who has shipped. Hospitality, proptech, and payments. After one working session you leave with a punch list, not a slide deck.

What you can buy

Half-day strategy session, $7,500 + travel

4 hours with your team. A week of prep. Punch list, bloodspots, and the next 1 to 6 months of work.

CTO Engaged, $10,000 / month

90-day sprint. Systems map in 30 days. Weekly planning, daily stand-ups, vendor management.

CTO Advisor, $5,000 / month

After a half-day or engaged sprint. Twice-monthly planning, unlimited email, 6-month commitment.

Track record

IBM Boca Raton. Twenty years at Information Builders and iWay. BuildingLink across 5,000 buildings. Logistics AI. Office of the CTO at Partech. Co-founder of BLT, AI-native POS for restaurants. Remote from Delray Beach, FL.

Book a working session

Email: info@codemarc.net

Phone: +1 (561) 231-0111

Braintrailz is the practice of Marc J. Greenberg. Invoiced by Codemarc Consulting LLC.

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Marc J. Greenberg. Fractional CTO and AI advisor for hospitality, proptech, and payments.

Pricing

Half-day, CTO Engaged, and CTO Advisor. How to hire Marc.

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Notes and field writing from Marc.

Trailcraft

The methods left on the trail. Gear gets you there. Craft keeps the next person on the path.

Repack

Conserve what the trail taught you. Clear the clutter. Repack for the trail ahead.

Backpack

The tools Marc actually carries.

Meet Grey Matters

A right hand for path, tools, and mindset.

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