DMTF Executive Biographies

Jon Hass

Chair of the Board

Jon Hass is a Distinguished Engineer at Dell, Inc. in the CTO organization working on system and infrastructure management architecture and standards. Jon has served in various leadership and contribution roles in DMTF since 2003, including co-chair of both the Server Management Work Group and the Desktop & Mobile Work Group. Jon is one of the chief architects behind Redfish and contributed significantly to several DMTF standards including the SMASH & DASH standards. Jon has authored or contributed to over 30 DMTF specifications and has spent the last 30 years involved in industry standards and has also contributed to various other standards including IPMI, SMI-S, HL7 and GKS.

Jon's 30-plus year career in the computing industry includes client and server systems management firmware and software architecture, storage management software, interactive television systems software, multi-media products including kiosks, firmware and device driver architecture and development, networking and communications protocols. At Dell, Jon is focused on the manageability interfaces and solutions across the Dell product portfolio.

Jon received a Bachelor of Science in Computer Science from Texas A&M University.

Jeff Hilland


Jeff Hilland is a Distinguished Technologist at Hewlett Packard Enterprise (HPE) in the CTO organization working on infrastructure management architecture with a focus on servers. Jeff served as VP of Technology for DMTF for 6 years before being appointed President of DMTF. Jeff has served in various leadership roles in DMTF since 2003, including chair of the Executive Committee, Technical Committee, Platform Subcommittee and co-chair of both the Server Management Work Group and the Desktop & Mobile Work Group. Jeff is one of the chief architects behind Redfish and contributed significantly to SMASH & DASH. Jeff also co-chairs the Security Task Force in PMCI. Jeff has spent the last 23 years driving industry standards and has also served in chairing roles in the Gen-Z Consortium, RDMA Consortium and the InfiniBand Trade Association.

Jeff's 35-plus year career in the computing industry includes systems and server management, management protocols, data modeling, security, distributed systems architecture, system software integration, automated deployment & configuration tool development, device driver and services architecture & development and performance analysis. It has also included significant contributions to high speed intercommunications protocol development & standardization including Gen-Z, RDMA, InfiniBand and the Virtual Interface Architecture.

John Leung

Vice-Chair of the Board and Vice President of Alliances

John Leung is a Principal Engineer at Intel Corporation in the Data Center Group. John has over 35 years in the computer industry: architecting, designing and coding.

Before joining Intel, John worked at two successful startups (Sun Microsystems and Auspex Systems). In each of these companies, John developed firmware, board-level diagnostics and system-level diagnostics for new platform bring-up. Prior to working in Silicon Valley, John worked in the defense industry (McDonnell Douglas and Logicon). At Intel, John is focused on the manageability interfaces for Intel® Rack Scale Design and server platforms. John was the technology architect for Intel® Node Manager, which provided system power and thermal telemetry and power capping control.

John has been an active member of DMTF since 2004. In addition to his Board positions, John and has participated in many of its work groups, including the Redfish Forum and the CIM Profile working group. John has authored and contributed to over 40 DMTF specification.

John received a Bachelor of Science in Engineering & Applied Science from the California Institute of Technology. While attending Caltech, John worked concurrently as a researcher at NASA's Jet Propulsion Laboratory.

Selva Subbiah

Vice President of Finance/Treasurer

Selva Subbiah, is a Sr. Consultant, Product Management at DellEMC, working on the PowerEdge Server Portfolio Planning focusing on Modular Platforms. Selva has 18+ years of industry experience in Enterprise product development and infrastructure ranging from Software, Firmware to Hardware. Prior to joining product management team, he was a Director of Software Engineering, leading the PowerEdge Systems Management software engineering team, delivering strategic product differentiators. He led numerous software releases across multiple generations of PowerEdge Server Platforms. Selva also managed the budget, resource planning for 300+ org. He helped to transform the factory process to efficiently handle multiple generations with single systems software image resulting in increased efficiency and productivity while reducing operating costs.

Prior to joining DellEMC, Selva has held various leadership and engineering roles in startup, mid‐size and large enterprise companies (Symantec, Altiris, Tonic Software).

Selva holds an MBA from Cornell University and a Bachelor’s degree in Electronics and Communication Engineering from Madurai Kamaraj University (India).

Mark Nicolas

Vice President of Membership and Assistant Treasurer

With 20 years of data center industry experience in software design and engineering, Mark Nicolas is a technical manager for Vertiv within the Customer Embedded Engineering segment of the Unified Infrastructure business unit. In his current role, Mark leads a multi-national development team serving OEM and ODM server manufacturers worldwide. For most of his career, Mark has been working with the same company, although his roles have shifted and the company has been through many transitions. His career began with Cybex Computer Products Corporation, which became Avocent Corporation in 2000. Within Avocent, Mark was a product manager for data center products, and then Avocent was acquired by Emerson Electric Company and became part of Emerson Network Power in 2009.

Mark’s involvement with DMTF began when the companies that started Redfish formed the Redfish Forum, and then continued when Mark became the Emerson Network Power board member representative in April 2015. In December 2016, Emerson Network Power was sold to Platinum Equity and is now rebranded as Vertiv. Mark holds an MBA from the University of Alabama in Huntsville and a Bachelor of Computer Science degree from Christian Brothers University in Memphis, Tennessee.

Hemal Shah

Sr. Vice President of Technology

Hemal Shah is a Systems Architect in the Infrastructure and Networking Group of Broadcom Corporation where he has been instrumental in architecting numerous key manageability, networking, virtualization, cloud, and security features in several generations of NetXtreme I and NetXtreme II Ethernet controller products for both client and server platforms. Prior to joining Broadcom Corporation in 2005, Hemal worked at Intel Corporation where he led the development of system/silicon/software architecture of communication processors, 10 Gigabit Ethernet controllers, and offload technologies for TCP, iSCSI, RDMA, and cryptographic algorithms.

In DMTF, Hemal has served in various leadership roles including chair of Platform Management Sub-Committee, co-chair of Server Desktop Mobile Platforms (SDMP), Platform Management Components Intercommunications (PMCI), and Security Working Groups. Hemal has been a critical driving force behind the development of numerous DMTF standards related to system management (DASH, SMASH, and PMCI), virtualization management, cloud management, Open Virtualization Format (OVF), network port profiles, and Web Services for Management (WS-Management). Hemal has co-authored 60+ DMTF specifications, three IETF RFCs, and 10 plus technical conference/journal papers. Hemal is a named inventor on 18 patents with 26 pending patents. Hemal holds Ph. D. (computer engineering) and M.S. (computer science) degrees from Purdue University, M.S.E.E. degree from The University of Arizona, and B.S. (electronics and communication engineering) from Gujarat University, India.

Patrick Caporale

Vice President of Marketing

Patrick Caporale is a Distinguished Engineer & Chief I/O Architect within the Data Center Group of Lenovo . He has over 20 years of experience within the server, storage, and networking product groups at Lenovo and IBM. During his career, he has been responsible for various projects that delivered storage & networking I/O solutions for the data center, including Ethernet, Fibre Channel, and Infiniband products. Patrick is the chief technical architect across Lenovo’s server platforms for I/O and leads a team of engineers to deliver the latest generation of data center products. He has been an active member of DMTF since 2013 and participates in activities throughout the organization. Patrick is currently the Co-Chair of the Platform Management Components Intercommunication (PMCI) Working Group. He has been the editor and contributor to many specifications released by the PMCI workgroup. Patrick holds a Master’s degree in in Electrical Engineering from Columbia University and a Bachelor’s degree in Electrical Engineering from Manhattan College.

Lydia Wang

Vice President of Regional Chapters

Lydia Wang is a Senior Manager in the Data Center Group at Lenovo Corporation, responsible for UEFI development for Lenovo servers. Prior to join Lenovo, Lydia worked on the Flex, System x and Power system management software development at IBM as software architect. She has 16+ years of industry experience and over 10 years' experience in the development and architecture for x86 system, and also rich experience in cloud computing area. She did a lot of work in the hardware management and interconnection area like CIM, IPMI, SNMP and Redfish etc. Lydia holds a Master’s degree of Compute Software from Xi'dian University.