David Jonathan Barnowsky

42Frontiers empowers PE and Growth investors to maximize returns through expert Tech & AI advisory. With 15+ yrs of hands-on tech experience, we offer Vendor Tech DD and actionable Value Creation services. We bridge the gap between technology and business, enabling investors to move quickly and confidently without needing to be tech experts. Our work caters to all sectors and levels of tech maturity, from conventional industries to AI-first companies, ensuring tailored solutions for each unique investment.

At Summie, my mission is to empower professionals to become more productive during meetings. Traditional note-taking is often distracting, leads to incomplete notes, and critical information can be missed. Summie allows professionals and teams to effortlessly record meetings right from their phone without worrying about taking notes. Summie delivers transcript, summary, key takeaways, and action items; supports 99+ languages and provides an easy way to share these meeting insights with your colleagues.

Tech, AI & Product Due Diligence reinvented for VC, Growth and Private Equity.

(Acquired by SheetGo) Working as co-founding CPO to reinvent the way of working with Spreadsheets by introducing a productivity layer on top of Excel and Google Sheets + early angel investment into the company.

Helping Product teams to build great products. A selection of teams we have been working with: 3M Europe, Deutsche Bahn, XING, American Heart Association, Raisin, Fidolabs, smava, Ritter Gruppe, Knip, CareerFoundry, Kayak / Swoodoo, Kukimi, sprylab technologies, Athletic greens...

Dreamflat offers a new simple and exciting way to find rooms and roommates. Our mission is to change the way the real estate rental market works. Dreamflat was founded in the fall of 2012 and is supported by some of the most renowned entrepreneurs and investors in Europe. The company got acquired in 2014 by the Immowelt AG, one of the leading online service providers for real estate in Germany, Austria and Switzerland.

Social recommendation platform based on Facebook, backed by a Berlin based incubator and angel investors.

Founding and managing a (bootstrapped) company with +2M users, 5-digit daily revenue after 6 months. Incubating & seed-funding of several web-application projects with students & graduates of the WHU (Otto Beisheim School of Management) and University of Koblenz-Landau.

IT project-management, supporting several SaaS platform projects to launch for national and international mid-tier businesses in NZ/AU.

Bilderkennung im Rahmen des K-Space Projektes

Adacemic focus on computer science, computational visualistics (2Y-research-assistant, bachelor thesis with honors), BA, management. Main achievements: Int. publication (Conf. of Pattern Recognition, Barcelona; Springer Verlag) of bachelor’s thesis results.