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. A former software engineer, he built and launched the initial version of the company's first product, Quia Web, which allowed teachers to collaboratively create and share interactive study materials. Today, he guides a growing company with products that reach millions of students around the world. He has a bachelor's degree in computer science from Harvard.

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.

Joseph Kent - Chief Technology Officer

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 Success

Terri comes to IXL Learning with more than twenty years' experience in educational sales and marketing. Most recently she served as vice president of renewal sales at Achieve3000. Terri's previous experience also includes more than 15 years at Cengage Learning serving in various sales and marketing leadership roles, including Executive Director of Global Marketing.

Kate Mattison - Vice President, Curriculum

After getting her start at IXL as a math curriculum designer, today Kate leads IXL's curriculum development team. Kate is dedicated to creating memorable and inspiring educational experiences for each of IXL's subject areas. She holds a bachelor's degree in mathematics from the University of Chicago and a PhD in mathematics from Stanford.

Suzanne Pelz - Vice President, Engineering

Suzanne joined IXL as a software engineer and wrote code for the company's very first dynamically generated math questions. Today she leads IXL's engineering team and is passionate about building products that inspire teachers and students. She holds bachelor's and master's degrees in mathematics from the University of California, Santa Cruz.

Lisa Tortolani - Vice President, ABCya

Lisa is a career educator and researcher with years of experience teaching Italian language and literature to university students. Following her penchant for the use of technology in classrooms, Lisa joined the team of creative technologists at ABCya, a website she started with her husband Alan. Lisa currently leads ABCya, where she enjoys making games and apps that encourage both fun and learning. She holds a master's degree in Italian Language and Literatures from Boston College.

Diana Luhmann - Vice President, Human Resources

Diana brings more than 25 years of experience encompassing a broad spectrum of human resources specialties. Prior to IXL, she grew her career at Cengage Learning in several leadership roles and served as VP of Human Resources for a Bay Area technology consulting company. Diana holds SPHR and SHRM-SCP designations, a bachelor's degree from the University of San Francisco, and an MBA from the University of Melbourne.



On the IXL Engineering team, we relish the challenge of building robust and elegant software. We take pride in the code that we write and also in the unique educational mission that it serves. Our goal is to marshal our tools, talents, and creativity in order to provide a transcendent experience for teachers and students.

Curriculum development

IXL is a labor of love, and every part of the product is carefully crafted. Our team of PhDs and experienced teachers ensure that every piece of IXL's curriculum meets our high quality standards. Team members spend their days researching, brainstorming, and creating the perfect language, visuals, and interactive elements for every topic.

Product Management

Our product managers are advocates for our users and are dedicated to putting them first. Taking products from initial brainstorm to final launch, this team strives to delight students, teachers, and parents. Our creative solutions, clean designs, and extraordinarily high standards ensure that we deliver effective, compelling products that are a joy to use.

Customer success

Our account managers, technical support analysts, and membership specialists are knowledgeable, accessible, and patient—a winning combination. From customized on-boarding and implementation plans to friendly ongoing support, they ensure a successful experience for every student, parent, teacher, and administrator who uses IXL.

Educational sales

At IXL, sales is an ever-evolving art. Our team of creative and friendly sales consultants understands the complex needs of teachers and gets a thrill from helping schools and districts find solutions that help their students learn better. We take pride in playing a pivotal role in the growth and success of IXL.


Our marketing team has a passion for spreading the word about IXL's unique features and benefits. From creative advertising campaigns and strategic communications, to engaging with users at events and through social media and emails, we do everything it takes to make sure educators and families know what we do and how we can help them.