Aspen Technology Names Karl Johnsen Chief Financial Officer

September 25, 2015

Aspen Technology Names Karl Johnsen Chief Financial Officer
Bedford, MA -

Aspen Technology, Inc. (NASDAQ: AZPN), a leading provider of software and services to the process industries, today announced that Karl Johnsen, currently AspenTech’s Vice President and Corporate Controller, has been promoted to Senior Vice President and Chief Financial Officer, effective October 1, 2015. Johnsen will succeed Mark Sullivan, who previously announced he will retire from AspenTech at the end of September.

Johnsen has more than 20 years of financial, accounting and consulting experience within the technology industry. He joined AspenTech in 2013 as Corporate Controller. Prior to joining AspenTech, he served in senior finance positions at a number of public and private technology companies, including Avid Technology, FusionStorm, Glasshouse Technologies, Art Technology Group and NaviSite. Earlier in his career Mr. Johnsen served as a transaction support consultant at PwC and a senior auditor for Arthur Andersen. He holds a Bachelor of Science in Accountancy from Bentley University and a Master of Business Administration from Babson College.

Antonio Pietri, President and Chief Executive Officer said, “We are excited to announce Karl’s well-deserved promotion to CFO.  Karl has been an integral part of our finance group since joining AspenTech and we believe his breadth and depth of experience make him the ideal candidate to lead the group going forward. AspenTech is a global leader in process optimization and we believe Karl’s leadership will help us achieve our business objectives.” 

“It has been a pleasure working with Mark Sullivan over the last two years, and I look forward to succeeding him in leading our world-class finance organization,” said Johnsen. “I am committed to build on AspenTech’s best-in-class financial profile to ensure we continue to deliver shareholder value over the long term.”

About AspenTech

AspenTech is a leading supplier of software that optimizes process manufacturing – for energy, chemicals, engineering and construction, and other industries that manufacture and produce products from a chemical process. With integrated aspenONE solutions, process manufacturers can implement best practices for optimizing their engineering, manufacturing and supply chain operations. As a result, AspenTech customers are better able to increase capacity, improve margins, reduce costs and become more energy efficient.  To see how the world’s leading process manufacturers rely on AspenTech to achieve their operational excellence goals, visit

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