Organization

Leadership & Founders

The EXPRESS Language Foundation is led by a team that includes the original inventors of EXPRESS, experts who guided its standardization at ISO, and stakeholders dedicated to the language family's future.

Officers

Thomas Thurman

President

Owner of TRThurman Consulting. Technical lead for all four editions of ISO 10303-210 (AP 210). ISO Excellence Award and PDES Bryan K. Martin Award recipient.

Hiroshi Murayama

Vice-President

Convenor, ISO/TC 184/SC 4/JWG 24

Former Toshiba Research Fellow. Convenor of ISO TC 184/SC 4/JWG 24 and CEO of SATS Inc. Specializes in product data dictionaries, ontology, and data modelling.

Ronald Tse

Secretary

Project Leader for Annotated EXPRESS and designer of the SUMA framework (STEP Unified Model Architecture) used to publish the ISO 10303 STEP Resource Library and Application Protocols. Founder and CEO of Ribose.

Founders

The founders include the original inventors of EXPRESS, experts who enhanced it, and stakeholders deeply committed to the foundation's mission.

Douglas Schenck

Inventor of EXPRESS

Project Leader, ISO 10303-11:1994 (with Bernd Wenzel)

Original inventor of the EXPRESS language at McDonnell Aircraft (1982). Co-author of the authoritative reference "Information Modelling: The EXPRESS Way".

Prof. Bernd Wenzel

Project Leader

Project Leader, ISO 10303-11:1994 (with Douglas Schenck)

Co-project leader of the first edition of the EXPRESS language standard, guiding it through international standardization at ISO.

Peter Wilson

Designer of EXPRESS-G & EXPRESS-X

Project Leader, ISO 10303-11:2004 (with David Loffredo)

Designer of EXPRESS-G (graphical notation) and EXPRESS-X (schema mapping). Co-author of "Information Modelling: The EXPRESS Way". Author of the EXPRESS Tutorial.

Thomas Thurman

President

Owner of TRThurman Consulting. Technical lead for all four editions of ISO 10303-210 (AP 210). ISO Excellence Award and PDES Bryan K. Martin Award recipient.

Allison Barnard Feeney

General Manager, PDES Inc.

2018 ANSI Finegan Standards Medal

General Manager of PDES, Inc. Key participant in STEP development since its inception. Dept. of Commerce Gold Medal recipient.

David Loffredo

VP Product Development, STEP Tools Inc.

Convener, ISO TC 184/SC 4/WG 11

Co-founder of STEP Tools Inc. Editor of ISO 10303-238 (STEP-NC) and Part 21. Led 20+ major software releases used in over a million CAD seats.

Jean Brangé

Président, AFNeT Services

Convenor, ISO/TC 184/SC 4/WG 21

Leads the EasySTEP and STEP Next initiatives for open-source STEP tooling. Pioneer in STEP AP242 deployment and LOTAR long-term archiving in aerospace.

Phil Spiby

Senior Consultant, Eurostep Limited

Over 30 years in STEP and PLCS standardization. Key contributor to OASIS PLCS and European aerospace collaboration projects.

Stuart Galt

Associate Technical Fellow, Boeing

Convenor, ISO/TC 184/SC 4/WG 12

Associate Technical Fellow at Boeing with 25+ years in visualization and data exchange standards. Convenor of WG 12 at ISO/TC 184/SC 4, project lead of ISO/CD 14739-1 (PRC), and former Chair of OASIS WebCGM 2.1.

Yoshiaki Sonoda

Manager, DI Strategy & Planning Dept., Mitsubishi Heavy Industries

Convenor, ISO/TC 184/SC 4/WG 25 · Project Leader, ISO 15926-6