Our Team


We are a seasoned team with deep management, entrepreneurial, operational and transactional experience combined with an established network of contacts across the Fortune 500 and investment communities.

At Landmark Ventures, we know that relationships matter. We bring together adept professionals from an array of disciplines, working together as a cohesive team to advance the goals of our portfolio companies.

Ralph Klein

Managing Director

John Kunschner

Managing Director

Zeev Klein

General Partner

Eric Sugar

General Partner, Chief Revenue Officer

Anthony Juliano

General Partner, CTO

Isaac Brown

Vice President, Business Development

Daniel Towbin

Senior Director, Event Marketing

Sarah Clapp

Senior Creative Director, Events

David Taur

Senior Director, Data Operations

Scott Zakheim

General Partner

Ori Klein

Managing Director & CEO, Landmark Ventures Israel

Mel Ochoa

Chief Operating Officer

Jesse Streitman

Senior Vice President, Investment Banking

Sara Harari

Director, Event Programs

Tom Ciccone

Director, Event Partnerships

Zak Miller

Senior Director, Partnerships

Samantha Dominguez

Director, Events

Anika Joshi

Director, Business Development

Chris Buffone

Associate, Investment Banking

Jessica Barchard

Senior Coordinator, Events

Johalmy Brazoban

Senior Executive Assistant

Natasha Baron

Manager, Partnerships

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