PIDX President

Stephanie Waters – PIDX President

Chevron, Procurement/Supply Chain Enablement Manager 

Stephanie Waters serves as the Procurement/Supply Chain Enablement Manager at Chevron, where she has enabled a culture shift to focus on the end users through the use of digital concepts and agile methodologies. During her tenure at Chevron, spanning more than twenty years, she has implemented and deployed many digital change initiatives as well as served as Chair of the IT Oil and Gas Benchmark Group.



Chris Welsh - PIDX Chief Operating Officer

OFS Portal, President and CEO

Chris Welsh has over 35 years of Information Technology, eCommerce, and Consulting experience and has been a key player in Oil & Gas eCommerce since 1995.  Chris has managed numerous global projects for operators, services companies, and eCommerce networks across the globe.  He was a founding member of ACT Global Consulting Ltd and has been providing strategic advice and technology architecture solutions to the Oil & Gas industry since 2000.  In March 2015, Chris became CEO and Chairman of the Board of OFS Portal LLC, a global member-based group of upstream oil and gas suppliers and service providers at the forefront of oilfield eCommerce.  Chris is also Chair of PIDX International and sits on the board of ConnectONCE.  He holds a Master of Science degree in Computing for Commerce and Industry and he is a keen rock climber and races a Ducati super-bike in his spare time.


 PIDX Vice President

Rick Conner – PIDX Vice President

Schlumberger, eCommerce Manager

Rick Conner serves as the eCommerce/Business Process Manager at Schlumberger. With 17+ years of experience in applications and development, he is responsible for the management and mentoring of the eCommerce department staff, including supervision of personnel, review of analysis’s design and development, and setting team goals. He has connected energy companies via a B2B middleware application, and as a software developer, he created a B2B middeware application to electronically exchange PIDX/RNIF2.0 compliant business messages with trading partners (eInvoicing).



Lisa Rotunno – PIDX Executive-at-Large

DTN, Senior Manager, TABS Global Implementation and Support

As a born and bred Texan, Lisa earned a Bachelor of Business Administration in Accounting from Texas Tech University in 1985 and joined Mobil Oil that same year as an accountant. She held various accounting positions until she moved to IT as an Information Architect focusing on the development of new business systems. In 1997, she joined Koch Industries as an Electronic Commerce Coordinator/Business Systems Analyst where her focus was to drive the use of electronic communication to streamline and enhance business processes. In 2000, she joined General Electric as the Product Manager for the GE PetroDex product family (PetroEx, TABS, RECON) where she remained until the product and she were acquired by DTN (now owned by Schneider Electric) in 2002.  Lisa continues to champion the product suite at Schneider Electric where she is currently focused on the customers and the continued growth and success of TABS globally.  She has been a participating member of PIDX for 24 years where she has held many positions. 


 Darren EBanks

Darren Ebanks – PIDX Executive-at-Large

Schlumberger, Business Process Architect – eCommerce & Invoicing

Darren Ebanks is a recognized expert in Electronic Commerce, Electronic Data Interchange and Business Process Development. He has been an active member of PIDX for over 27 years and has been the Chair of many subcommittees in the areas of Education, Promotion, Purchasing and participated in many others (including the development of the current XML standards). In addition, he has held many Executive Committee positions (including the Vice Chair of the organization).

As a Schlumberger Business Process Architect in eCommerce and Invoicing, Darren Ebanks uses technology as a tool to meet the demanding market and never as a replacement for good business practices. Crafting business processes to realize tangible monetary benefits for his organization and customers is his mantra.


Torben Pedersen – PIDX Executive-at-Large

Halliburton, IT Enterprise Architect

Torben Pedersen holds a dual Bachelor of Business Administration in Management Information Systems and Marketing from University of Houston and carries 25+ years of industry experience. He has been an Enterprise Architect at Halliburton for the past 5 years leading the global IT technology strategy and solution designs across multiple domains – from information management and applications, to platforms and infrastructure. He joined Halliburton after 14 years at Microsoft in consulting and sales roles defining strategies and solutions covering warehouse management, asset tracking, retail data management, portal-and commerce solutions, and more. Beyond the energy sector, he has covered industries such as; manufacturing, retail, logistics, health, airlines, law firms, and commercial software.


Trish Nguyen

Trish Nguyen – Chair, PIDX Standards & Guidelines Committee

Baker Hughes, a GE Company, EDI Project Manager

Trish Nguyen is the EDI Project Manager at Baker Hughes, a GE Company. She has a strong background in eCommerce projects from start to go-live, with experience managing a wide range of implementations, including EDI invoicing solutions, eInvoicing and Accounts Payable solutions utilizing Oracle Applications, eBilling integration platform utilizing SAP, and EAI/B2B integration between enterprise resource applications. Trish has been an active participant in the PIDX Business Messages Work Group and she is currently Chair of Standards & Guidelines (S&G), the committee responsible for overseeing PIDX standards work groups and project teams.



Lynn Taylor – Chair, PIDX International Business Development Committee

Drillinginfo, Vice President, Software Development

Lynn Taylor is the Vice President of Software Development at Drilinginfo, a provider of cloud-based solutions for oil and gas financial supply chain automation.  In this role, she manages the product architecture, user experience, release management as well as production and development operations and infrastructure.

Prior to her career at Oildex, Ms. Taylor was Vice President, Product Development at ADP where she oversaw the product development, QA and architecture as well as infrastructure and operations for the Procure-to-Pay and MasterTax product suites with a staff of approximately 100 team members in Calgary, AB, Chandler, AZ and Hyderabad, India.

Before joining ADP, Ms. Taylor oversaw the technical vision and development of the product suite at DO2 Technologies, Inc. Lynn began her 20 year career as a software developer for various companies, including Digital Oilfield Inc., Landmark Graphics, Munro Garrett International, and Munro Engineering Inc. 


Yvonne Pham – Chair, PIDX Marketing Committee

OFS Portal LLC, Marketing Manager

Yvonne currently serves as the Marketing Manager at OFS Portal, overseeing the creation and delivery of press releases, advertisements and the planning and execution of annual events/conferences. Prior to OFS Portal, Yvonne planned and managed all major firm events at RSM US, LLP (formerly McGladrey LLP), worked as a copywriter for The Houston Chronicle and was an associate producer at Fox News 26 for their 5pm and 9pm newscasts. Yvonne received a BA in Journalism, News-Editorial from Baylor University. She is currently a member of PIDX’s IBDC, Baylor Women’s Association, American Marketing Association, and the Barbara Bush Literacy Foundation’s Young Professionals Group.


PIDX Strategic Initiatives Vice Chair

Rachel Shaffer – Chair, PIDX Strategic Initiatives Committee

Chevron, Team Lead, Data Science Analytics

Rachel Shaffer is Team Lead of Data Science Analytics in the Modeling & Analytics Center of Excellence in Chevron’s Information Technology Company (ITC). Her team delivers data science solutions and brings value to Chevron’s midstream, downstream, and corporate functions.  She previously led Chevron’s workforce analytics center of excellence, where she delivered workforce analysis that influenced HR decisions and people strategy. Prior to that, Shaffer was a data scientist in Chevron’s Information Technology Company. Shaffer also has worked in application lifecycle management for Chevron’s Downstream businesses in retail and lubricants. Shaffer holds a Master of Engineering in Industrial Engineering Operations Research from University of California at Berkeley and a Bachelor of Science in Management Science and Engineering from Stanford University.


Randy Dutton

Randy Dutton – PIDX Treasurer

Randy Dutton has been serving as Treasurer of PIDX since January 2011, for the first 5 years as a Volunteer from OFS Portal, and since in a consulting role.