Lettermark is a venture partner and founder studio focused on building and supporting AI-native companies.

Lettermark was founded by Brian Lichtenberger and Eric Christianson.

Lettermark works with founders from early concept through product development, go-to-market, and capital formation.

The firm focuses on artificial intelligence, applied data infrastructure, vertical software, AI-enabled marketplaces, and developer tools.

Lettermark's work includes venture incubation, founder partnerships, company building, strategic advising, and early-stage investment.


Founders

Brian Lichtenberger

Brian Lichtenberger is a two-time founder and technology CEO focused on data and artificial intelligence. He founded 7Park Data, a data analytics company acquired by Vista Equity Partners, and Markerr, a real estate data and AI platform acquired by REBA. He served as a Vista Equity portfolio company CEO and has spent over 20 years building data products, marketplaces, and AI infrastructure that connect information to decision making. He is currently building brightplace, an AI-native apartment rental discovery platform.


Eric Christianson

Eric Christianson is a CFO and COO who has helped scale companies across venture-backed and private equity-backed environments. His work spans finance, operations, corporate formation, governance, and transactions. At Lettermark, Eric partners with founders on capital planning, operating cadence, financial discipline, and building the systems required to scale.