The GemTalk Systems Leadership Team

Leadership

Dan joined GemStone Systems in 1994 as Senior Vice President of worldwide operations. He has held several senior executive positions prior to becoming President and CEO, including general manager, where he was responsible for overseeing sales, product development, customer support, professional services and business development. He has been responsible for expanding GemStone Systems’s presence in both domestic and overseas markets.

Dan has more than 25 years in the computer industry, including an impressive track record at Unisys, where he rapidly advanced in sales and management assignments over a nine-year period. In 1989, he joined Mentor Graphics Corporation, a leader in electronic design automation, eventually serving as Director of Major Accounts with over $100 million in revenue responsibility. Before that, Dan was Vice President of Worldwide Sales for Logic Modeling, a provider of hardware and software simulation models for electronic design. Dan earned a Bachelor of Arts degree in International Relations from Lewis and Clark College, Portland, Oregon.

Norm Green started his career in 1989 at IBM in Toronto, Canada as a quality assurance engineer. In 1993, he moved to the DACS (Data Acquisition and Control System) team where he helped design and build site-wide data collection system in VisualWorks and GemStone/S .

In 1996, he joined GemStone Systems as a Senior Consultant and traveled the world helping GemStone/S customers be more successful.

Within GemStone Systems, Norm held several positions including Director of Professional Services and Director of Engineering.

Principal Engineers

Allen Otis was a founder of GemStone Systems in 1982. He has been responsible for many parts of the Smalltalk virtual machine, including redesign for 64bit memory, the in-memory garbage collector, native code generator, and support for Ruby execution in Maglev. He is a coinventor on 2 patents on GemStone/S OODBMS technology.

Prior to working at GemStone Systems, Allen worked at Tektronix doing firmware and hardware design. He received a Bachelors degree in Electrical Engineering from Rensselaer Polytechnic Institute in 1977.

Bob has worked on the GemStone/S products since 1982. He started his career at Tektronix in 1975 working in the SPS Engineering group.

Bob has developed many of the key components of the GemStone/S architecture. He managed the core engineering team for the GemStone/J development, developed and supported the Facets product, and provided the inspiration for and lead the development of the first release of the GemFire product.

Bob is the co-author on several papers and the co-inventor of 3 patents on GemStone/S’s OODBMS technology and 5 of the patents in the GemFire technology. He earned his BS in Mathematics from Carroll College in Wisconsin and his MS in Computer Science from Iowa State University.

Dale earned a BSIE in 1978 from Purdue University and then joined Tektronix. In 1985, he created a program using Smalltalk running on the Tektronix 4404. Dale was granted a patent on the program and it saw continuous use through 2005.

In 1997, Dale joined GemStone Systems and quickly worked his way onto the core Smalltalk team. He has been involved in many key areas of the product, such as indexing, and the Seaside, GLASS, and GsDevKit open source projects. Most recently, he has been developing Rowan, a git-based code management system.