Presidentand Chief Executive Officer
Senior Vice Presidentand Chief Financial Officer
Executive Vice President,Field Operations
Senior Vice President,Technology
Senior Vice President,Products and Marketing
Senior Vice Presidentand General Counsel
Senior Vice President,Corporate Development
Senior Vice President,Human Resources
Senior Vice President,Global Services
Antonio Pietri, President and Chief Executive Officer
Antonio Pietri is President and Chief Executive Officer (CEO) of AspenTech, and also serves on the company’s Board of Directors. Prior to his appointment to President and CEO, Pietri served as Executive Vice President, Worldwide Field Operations, where he led global Sales, Sales Operations, Professional Services, and Customer Support & Training. He previously served as Senior Vice President and Managing Director, Regional Operations, Asia Pacific, based in Singapore and Beijing, China.
Pietri joined AspenTech through the company’s acquisition of Setpoint, Inc. in 1996. At Setpoint, Pietri held a range of sales, services implementation, and consulting roles, where he oversaw integration of AspenTech solutions at European refinery and process manufacturing sites. In 2002, he relocated to Singapore as Vice President, Business Consulting, and was subsequently promoted to Managing Director of the Asia Pacific region.
Pietri began his career at ABB Simcon as an applications engineer focused on advanced control and multi-variable controllers for refining. Pietri holds an MBA from the University of Houston and a BS in Chemical Engineering from the University of Tulsa.
Karl Johnsen, Senior Vice President and Chief Financial Officer
Karl Johnsen joined AspenTech in 2013 and serves as Senior Vice President and Chief Financial Officer. Prior to becoming CFO, Johnsen served as Vice President, Corporate Controller bringing over twenty years of financial management and leadership experience to the company.
Prior to AspenTech, Johnsen served as Vice President, Chief Accounting Officer for Avid Technology, a leading provider of digital media content-creation products and solutions for audio, film, video, and broadcast professionals. He has also held Finance leadership roles at a variety of public and private technology and software companies including Fusion Storm, a global value added reseller of technology products and provider of professional and cloud services; GlassHouse Technologies, Inc., a global provider of data center consulting, integration and managed services; Art Technology Group, a software provider of integrated Internet-based commerce applications; and ClickTactics, Inc., a software developer of a web-based direct marketing automation solutions. Johnsen is also a CPA and started his career at Arthur Andersen, LLP.
Johnsen holds a B.S. in Accountancy from Bentley University and an MBA from Babson College.
Bill Griffin, Executive Vice President, Field Operations
Bill Griffin is AspenTech’s Executive Vice President of Field Operations, responsible for the company’s Global Sales and Global Services organizations. Griffin has over 25 years of sales leadership experience.
Prior to AspenTech, Griffin served as Vice President of Worldwide Named Accounts and Emerging Products at Autodesk. While at Autodesk he managed global teams of more than 500 employees that were responsible for more than one billion dollars of annual revenue. During his tenure, he also formed the company’s Worldwide Channels organization and initiated the first Inside Sales group.
Griffin began his career at Xerox where he held sales, services and marketing positions of increasing responsibility, concluding with General Manager, Worldwide Financial Services. He holds a Bachelor of Science in Business Administration from Wilkes University in Wilkes-Barre Pennsylvania.
Willie Chan, Senior Vice President, Technology
Willie K. Chan joined AspenTech in 1982 and serves as Senior Vice President, Technology, bringing to this role more than 30 years of experience in developing computer software solutions for optimizing the performance of chemical and refining processes. In this role, Chan leads the technology strategy, R&D and quality assurance functions for AspenTech products on a global basis.
Chan was a member of the Massachusetts Institute of Technology ASPEN research program that later became AspenTech, and has held a variety of senior technical and management positions in the company. Most recently, Chan was Senior Vice President, R&D, where he led the establishment of AspenTech’s R&D Centers of Excellence in Bedford MA, Houston TX and Shanghai China. He also drove the integration of aspenONE software products, incorporating solids process simulation, sulfur recovery modeling, process safety, dock/pipeline scheduling and other technologies into the aspenONE suite. He also oversaw the development of the next-generation user interfaces, activation workflows and other technology advancements.
Previously, Chan held a number of R&D leadership positions for Engineering Products at AspenTech, including the integration of the Hyprotech products and the creation of the Aspen Engineering Suite. He began his career at AspenTech by leading the development of separations and petroleum technologies.
Chan holds Master of Science and Bachelor of Science degrees in Chemical Engineering from the Massachusetts Institute of Technology.
Josh Fredberg, Senior Vice President, Products and Marketing
Josh Fredberg is AspenTech’s Senior Vice President of Products and Marketing, responsible for product strategy and product management. Prior to joining AspenTech in 2015, Fredberg was Vice President and Chief Marketing Officer at the engineering simulation software company, Ansys. Before joining ANSYS, he was Senior Vice President of Product and Market Strategy at Parametric Technology Corporation (PTC), where he worked on industry strategy, marketing and business development. Prior to joining PTC, he held leadership roles with ARIBA and Andersen Consulting Strategic Services.
Fredberg holds a Bachelor of Science in Electrical Engineering from Tufts University, a Masters of Science in Systems Engineering from the University of Pennsylvania and a Masters in Business Administration from The Wharton School, University of Pennsylvania.
Frederic G. Hammond, Senior Vice President and General Counsel
Frederic G. Hammond joined AspenTech in 2005 as Senior Vice President, General Counsel, and Secretary with global responsibility for corporate governance and legal matters. Hammond has over two decades of experience in public company general counsel and global operational and transactional experience.
Prior to AspenTech, he handled SEC disclosure and other public company and technology issues as a partner at a Boston law firm. Before that, Hammond was Vice President of Business Affairs and General Counsel at Gomez Advisors, Inc., an Internet performance measurement and benchmarking technology service firm, with responsibilities for corporate finance, mergers and acquisitions, corporate and creditor restructurings and commercial contracts management.
He held earlier positions as General Counsel of Avid Technology, the publicly-held international leader in digital video and audio editing, special effects and production solutions; and as a member of the corporate department of the law firm of Ropes & Gray. Hammond is a graduate of Boston College Law School, cum laude, and Yale College.
Glover Lawrence, Senior Vice President, Corporate Development
Glover Lawrence is AspenTech’s Senior Vice President of Corporate Development and is responsible for the company’s corporate development and business planning processes. Previously, he held a variety of corporate development roles in investment banking and high technology environments, most recently at Avid Technology. At Avid he led acquisition strategy and managed the company’s strategic planning processes, working closely with Executive Management and the Board of Directors.
Lawrence began his career with Morgan Stanley as a financial analyst where he performed mergers and acquisition analyses for a number of clients including companies in the Chemical and Manufacturing industries. At Hambrecht & Quist (now part of JPMorgan), he advised clients on strategic transactions including acquisitions, divestitures and joint ventures, and he has served as a Managing Director in the Venture Fund at Oracle. He also co-founded and served for five years as a Managing Director with McNamee Lawrence & Co., an international investment banking advisory firm, before joining Avid.
Lawrence holds a Bachelor’s degree from Yale and an MBA from the Stanford Graduate School of Business.
Mark Scully, Senior Vice President, Human Resources
Mark Scully serves as Senior Vice President, Human Resources, responsible for driving the company's global talent management programs.
Scully brings 25+ years of human resources experience to the role, including more than 10 years with AspenTech. During his tenure with the company, Scully directly supported every business unit and drove many key strategic HR initiatives. Most recently, he was responsible for AspenTech’s global HR Business Partner and Talent Acquisition teams.
Prior to AspenTech, Scully held HR leadership roles in the media, financial services and technology sectors with companies such as IBM and Citizens Bank, a subsidiary of the Royal Bank of Scotland.
Scully holds a Bachelor of Science in Management from Boston College.
Michele Triponey, Senior Vice President, Global Services
Michele Triponey has served as Senior Vice President of Global Services at AspenTech since 2005 where she has implemented industry best practices across AspenTech's customer facing Support, Training, and Professional Services businesses.
Prior to joining AspenTech, Triponey served as Vice President for Information Technology Services at Ajilon Consulting and managed the Customer Support and Help Desk practice. As the business lead, she directed an international team serving industrial, pharmaceutical, and financial services customers, and focused on strategies to increase customer service levels at reduced costs. Before joining Ajilon, Triponey was responsible for system administration at Synertech, and held positions at Keystone Medical Solutions and Bloomsburg University. Triponey is a graduate of Clarion University in Pennsylvania and holds an MBA from Bloomsburg University.
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