Mark E. Fusco joined AspenTech as President and Chief Executive Officer in January 2005, and has served on the AspenTech Board of Directors since 2004. Fusco drives the company's focus on operational performance, product innovation, and market leadership in the process industries.

Previously, Fusco served as President and Chief Operating Officer of Ajilon Consulting USA, a $400 million IT consulting firm with 40 offices and over 4,000 employees. He joined the Ajilon Consulting executive team in 1999 with the acquisition of Software Quality Partners (SQP), an IT consulting firm specializing in software quality assurance and testing, which he co-founded in 1990 and led as President until its sale.

Before entering the business world, Fusco played in the National Hockey League and on the U.S. Olympics hockey team. He received the Hobey Baker college hockey player of the year award while at Harvard College. He is a graduate of Harvard College and the Harvard Business School.

Mark Sullivan joined AspenTech in 2009 and serves as Executive Vice President and Chief Financial Officer. Sullivan brings to AspenTech over twenty years of financial management and executive leadership, including 14 years in financial executive roles at Fidelity Investments, a $12+ billion diversified financial services company. At Fidelity, Sullivan served as Executive Vice President, Chief Financial Officer, for Fidelity Employer Services Company, a multi-billion dollar business focused on providing HR outsourcing and employee retirement and benefits services. While at Fidelity, Sullivan also held a number of other financial leadership roles including Executive Vice President for the Office of the CFO.

Previously, Sullivan served as Chief Operating Officer, Principal Finance and Accounting Officer for Westerbeke Corporation, a manufacturer, global importer and distributor of engine and air conditioning products. Sullivan also served as Consulting Manager in the Business Investigatory Services group of Coopers & Lybrand, a public accounting and professional services firm, and he also held financial leadership roles with Analog Devices, an integrated circuit manufacturer. Sullivan graduated with a B.A in Economics from Middlebury College and has an M.S. in Management from the Massachusetts Institute of Technology.

Manolis Kotzabasakis joined AspenTech in 1997 and serves as Executive Vice President, Products.  In this role he leads all product functions at the company, including Product Management, R&D, QA, and Product Operations.

Previously, he served as Senior Vice President, Sales & Strategy, where he led the company’s worldwide sales operations, product management and business development.  Prior to that he served as Senior Vice President, Corporate Strategy and Marketing, directing the company's activities related to business planning, corporate and product marketing, alliances, and mergers and acquisitions. Kotzabasakis served as Chief Executive Officer at Linnhoff March, a process software and design firm, prior to his association with AspenTech. He was an associate professor in Chemical Engineering at the University of Manchester Institute of Science and Technology (UMIST) in the United Kingdom from 1987 to 1992.

Kotzabasakis holds PhD and MSc degrees in Chemical Engineering from UMIST, and a BSc degree in Chemical Engineering from the National Technical University of Athens, Greece.

Antonio Pietri joined AspenTech in 1996 and serves as Executive Vice President, Worldwide Field Operations, based in Burlington, Massachusetts. Most recently he served as Senior Vice President and Managing Director, Regional Operations, Asia Pacific from his base in Beijing, China.

During his tenure at AspenTech, Pietri has held a variety of sales and business development positions, beginning in 1993 as sales manager for Setpoint Inc., a company which AspenTech acquired in 1996. In 1998, he became Program Director for the implementation of AspenTech's integrated refining solution at two refineries for a major European client, and later served as a consultant to a super major in a program to coordinate and run its manufacturing business processes. Pietri relocated to Singapore in 2002 as Vice President, Business Consulting, and was subsequently promoted to Managing Director of the Asia Pacific region.

Prior to joining AspenTech, he was employed by ABB Simcon as an applications engineer, implementing advanced control and multi-variable controllers on refining processes. Pietri holds an MBA degree from the University of Houston and a BS degree in Chemical Engineering from the University of Tulsa.

Frederic G. Hammond joined AspenTech in 2005 as Senior Vice President and General Counsel, with global responsibility for corporate governance and legal matters.

Hammond brings nearly two decades of experience in public company general counsel and global operational and transactional experience to his role at AspenTech, having most recently handled SEC disclosure and other public company issues as a partner at the Boston office of the law firm Hinckley, Allen & Snyder LLP. Prior to his association with that firm, 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, a 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 in Boston. Hammond is a graduate of Boston College Law School, cum laude, and Yale College.

Joanna Nikka joined AspenTech in 2008 and is responsible for designing and implementing the company's global organizational management practices and leading the delivery of human resources services worldwide.

In executive roles prior to joining AspenTech, Nikka drove human resources and organizational development strategies that helped to fuel the growth of industry leaders such as Millipore and Analog Devices. She has also held human resources senior management and leadership positions at Fidelity Investments, Tele Atlas, Symbolics, and Data General, and has run her own consulting practice specializing in executive and organizational development. She is a member of the Board of the Massachusetts School of Professional Psychology and the French Library, and is a New England Chapter member of the National Association of Corporate Directors.

Nikka received her BA degree from University College Dublin in Ireland and her MBA from Babson College.

Richard Packwood joined AspenTech in October 2005 as Senior Vice President, Business Development, and has responsibility for guiding AspenTech's long-term business development strategy.

Packwood comes to AspenTech with extensive experience in both formulating and implementing corporate strategies for a range of international businesses, most recently as Senior Vice President for Business Development at Ajilon Consulting. In this position he played a key role in the growth of the company as a member of its executive team, with responsibilities that included developing business strategy, establishing a new direction for international operations, and overseeing a number of major acquisitions.

Before joining Ajilon, Packwood was Vice President for Operations for ProVision Technologies, and was a strategic management consultant for the Parthenon Group and Bain & Company. Packwood is a graduate of Durham University in England and holds an MBA from Massachusetts Institute of Technology.

Blair Wheeler joined AspenTech in 2005 as Senior Vice President, Marketing and leads the company's worldwide corporate, product and industry marketing.

Wheeler brings to AspenTech oil and gas industry experience and over 20 years of technology marketing, product management, and partner development experience. Prior to joining AspenTech, Wheeler led marketing at Relicore, Inc., a privately-funded company that provides enterprise IT infrastructure management software. Before his association with Relicore, he ran strategic business development projects for the Applications Technology Group at Cisco Systems, and was Vice President of Business Development at WebLine Communications prior to its acquisition by Cisco. Wheeler's experience also includes senior-level positions at Avid Technology, The Boston Consulting Group, and Amoco Production Company.

He holds an MBA degree from the Harvard Business School and a BS degree in Geology and Geophysics from Yale College.