Our people


Paul Mishkin - Chief Executive Officer

Paul founded IXL Learning in 1998 as a way to explore the potential for Web-based technologies in education. After getting his start as a software engineer at Oracle, he built and launched the initial version of the company's first product, Quia Web, which allowed teachers to collaboratively create and share interactive educational materials. Today, he guides the company's overall direction and product strategy. He has a bachelor's degree in computer science from Harvard and has also studied educational software design at the Harvard Graduate School of Education.

Jennifer Gu - Chief Operating Officer

Jennifer joined IXL from Oracle, where she was a senior development manager. At IXL, she oversees day-to-day operations and has been instrumental in developing the company's products and formulating its sales and marketing strategies. She has a bachelor's degree in computer science from the University of California, Berkeley, a master's in computer science from Stanford, and a joint MBA from UC Berkeley and Columbia.

John Harrington - Chief Financial Officer

John joined IXL after spending 30 years at PricewaterhouseCoopers, where he was a Managing Partner. In addition to his role at IXL, John holds a variety of board of director positions at for-profit and non-profit organizations. He holds an MBA from the University of California, Los Angeles.

Joseph Kent - Vice President, Engineering

Joe joined IXL from Oracle, where he worked as an engineer in the applications division. He is particularly interested in tools, processes, infrastructure, and tuning. At IXL, he helped build out the nascent code tree and server architecture, and he now heads the software development and technical operations teams. He holds a bachelor's degree in computer science from UC Berkeley.

Jim Coulon - Vice President, Sales

Jim has over twenty years of experience in education. As a teacher in San Diego, Jim built and managed one of the first internet-capable computer labs in the area and developed technology curricula for language learners. In 1996, Jim joined McGraw-Hill and launched the McGraw-Hill Learning Network, the company's first digital content and learning portal. Jim assumed company leadership roles in digital product development, digital rights management, and e-marketing. In 2000, he was selected to head up marketing and sales for McGraw-Hill Digital Learning, a new educational software division providing online assessment and prescriptive content. In 2009, Jim joined Achieve3000 as Chief Strategy Officer where he managed sales and guided new product development.

Terri Coats - Vice President, Customer Renewals

Terri most recently served as a vice president of sales at Achieve3000. Her experience also includes more than 15 years at Cengage Learning in various sales and marketing roles, including Executive Director of Global Marketing.

Debi Crimmins - Vice President, District Partnerships

With more than 16 years of educational marketplace experience and a doctoral degree in curriculum design, Debi understands the value of ongoing professional learning. As a former teacher, administrator, and associate superintendent, Debi brings to IXL deep expertise in best practices for building strong professional learning communities and powerful district partnerships. Debi's previous experience includes professional development, brand marketing, and consultant leadership roles at Scholastic, Voyager Learning, and Houghton Mifflin Harcourt.

Elisa Koppl - Vice President, Marketing

Elisa joined IXL from TripIt (part of Concur Technologies), where she was Director of Marketing. Elisa's marketing career has spanned PR, advertising, product marketing, content and social media marketing, and more. She holds a bachelor's degree from Washington University in St. Louis, Missouri, a master's in Instructional Technology from Teachers College at Columbia University, and an MBA from the University of Southern California.

Karen Bettucchi - Director of Customer Support

Karen joined IXL as a product designer and today leads the company's customer support department. With a passion for teaching and a strong interest in technology, IXL is a natural fit for her. She is dedicated to directing a first-rate team that provides friendly and knowledgeable product support to all the teachers and learners who use IXL's varied products. She has a bachelor's degree in English from Santa Clara University, where she also studied music composition.

Kate Mattison - Director of Products

After getting her start at IXL as a product analyst, Kate today leads IXL's product management team. She is passionate about providing exceptional user experiences and superb educational content. She holds a bachelor's degree in mathematics from the University of Chicago and a PhD in mathematics from Stanford.


Product development

Our content developers, product designers, and software engineers dedicate themselves to making our products the best in the world. Math PhDs and experienced teachers and tutors ensure that all practice content is of the highest quality and is level-appropriate. User experts design delightful, compelling products that become instant classroom essentials. Talented engineers apply best practices to create the elegant, modern technology that powers our websites.

Book development

Our experts in world languages, digital formatting, interactivity, and web technologies partner with major educational publishers to create interactive online textbooks and workbooks used in language courses.

Sales & marketing

We love it that many of our users enthusiastically spread the word about our products, but we also have sales and marketing analysts who develop collateral, attend conferences, answer questions—whatever it takes to make sure that teachers and learners know what we do and how we can help them.

Technical support

Our support analysts are knowledgeable, accessible, and patient—a winning combination. Forgotten passwords, custom account settings, even local network troubleshooting—we'll work with you until everything's perfect.

Customer success

Our customer success representatives are problem solvers and people pleasers. From customized training sessions to friendly ongoing support, they check in from time to time to make sure schools and families are making the most of their IXL memberships.