Leadership Team

Matthias joined Summit Partners in 2015 and focuses primarily on the technology sector in Europe. He is a German national and speaks German and English.

Matthias currently serves on the board of Signavio.

Prior to Summit, Matthias was a Managing Director with H.I.G. Capital Europe, where he focused on investments in the technology and business services sectors. He currently serves on the board of FNZ Ltd and was previously on the boards of Duales System Deutschland, Fibercore Ltd, AR Metalizing, International Schools of Europe, The Engine Group and VNU Media. Matthias began his career with Apax Partners and General Atlantic Partners.

Matthias holds a D.B.A from Karl Franzens University and an M.B.A. from Mannheim University.

Steffan first joined Summit Partners as an Associate in 2007. Today, he focuses on the technology sector in Europe. He is an American and Swiss national and speaks German and English. His investment experience includes 360T Group, PatSnap, RELEX Solutions and Signavio.

Prior to rejoining Summit in 2013, Steffan was a member of the management team of Turbulenz Limited. Before that, he worked for UBS Investment Bank.

Steffan holds a BS in finance and accounting, magna cum laude, from Boston College.

Steffan volunteered for Powerlungs in Switzerland, a not-for-profit focused on providing young asthmatic children with training courses in the sport of rowing.

As Technologist in Residence, Neil works closely with the Summit team and its portfolio companies to assist with engineering organization design and architecture strategy.

Neil spent a decade at Amazon.com where he served as Vice President of Technology, responsible for Amazon.com’s Marketplace Platform, Digital Media Technologies, and World-wide Retail Software systems. He was instrumental in developing products, software and services for the Kindle line of e-readers, and he led many of Amazon’s most successful product launches, including Music and DVD stores, Marketplace, Amazon China and the initial Amazon Web Services product. Neil’s teams built and designed the Subscriptions Platform and Digital Ordering systems, which are still used globally by Amazon Prime, all Amazon Digital offerings and other Amazon.com services. After Amazon, Neil served as Vice President of Engineering for Zynga. Prior to Zynga, he founded Evri.com, which developed a new way for people to discover and engage with content on the web using a deep natural language approach.