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Leadership

Operators with decades in the field — not figureheads.

OHH Holdings works through a team of operating partners and advisors who have run crews, managed installations, and delivered contracts across construction, technology, logistics, and government markets for years. This is who stands behind every project.

01

Leadership & operating partners

JW

Joe Wasserman

Founder & Managing Director

Leads corporate strategy, capital allocation, operational expansion, and government market entry. Built OHH Holdings into structured operating divisions designed for large-volume commercial, institutional, and government opportunities.

TK

Tevi Kohen

Operating Partner — Construction

Coordinates construction work across insulation, HVAC, flooring, door systems, and technology — multi-division coordination, scheduling, and execution alignment across active projects.

AS

Abraham Sputz

Operating Partner — Spray Foam & Fireproofing

Abraham is the founder and CEO of PRYME, which provides spray foam and other insulation, fireproofing for steel-frame buildings, and firestopping for multi-unit buildings. He leads OHH Holdings' spray foam, fireproofing and firestopping work.

KL

Kenny Landau

Operating Partner — HVAC

More than two decades of HVAC leadership since 1999 — large-scale mechanical installs across high-rises, healthcare, schools, and mixed-use. Expertise spanning VRF, DOAS, ERV, RTU, VAV, and PTAC systems.

DP

Dave Parker

Operating Partner — Flooring

Leading flooring operations since 2005 — two decades across multifamily and commercial builds, overseeing installation teams, material coordination, and scalable labor deployment.

JK

Joe Klein

Operating Partner — Door Systems

Two decades leading door-systems operations since 2005 across multifamily, mixed-use, and commercial projects — procurement, installation, and on-site execution precision.

SE

Sol Erenthal

Operating Partner — Technology & Low-Voltage

More than four decades since 1979 in structured cabling, security infrastructure, and integrated building systems across commercial and institutional developments.

RF

Rafael Fine

Operating Partner — Trucking & Logistics

Coordinates freight, warehousing, carrier network development, and route planning for OHH Holdings projects, aligned with project timelines and contracts.

IT

Israel Tenenbaum

Operating Partner — Commercial Waste

Leads OHH Holdings' commercial waste handling for enterprise and multi-site operations.

AM

Akiva Mittelman

Operating Partner — Electrical

Leads OHH Holdings' commercial and institutional electrical work, delivered through licensed partner electrical contractors.

DS

David Schwartz

Head of Plumbing

David has 15 years in the plumbing business and comes from a plumbing family: his father has worked in the trade for more than 40 years. He leads OHH Holdings' plumbing work, including large commercial and multifamily projects.

Reliability starts with the people accountable for delivery.

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