Executive Team

Ian Singer, General Manager, Credo Reference

Ian Singer, General Manager

For over two decades Ian has been committed to innovation in the field of information services and has held leadership positions at some of the library industry’s most well-respected companies. Before joining Credo, he served as Vice President, Group Publishing for Media Source, Inc., where he was responsible for strategic planning and day-to-day operations of such prestigious publications as Library Journal, School Library Journal, and The Horn Book. Prior to Media Source Inc., he held positions at Bowker LLC and Joint Information Inc; in 1996 he co-founded eComp, a web-based executive compensation database covering all US public companies, which was sold to Aon Consulting in 2002.

Ian holds a law degree from New York Law School, and a B.A. in History from George Washington University. Based in New Jersey, he currently serves on the the international advisory council for the San Jose State State University School of Information and the board of trustees for the New Providence Memorial Library.

Dan Powell,Chief Technology Officer, Credo Reference

Dan Powell, Chief Technology Officer

A "renaissance developer," Dan has over fifteen years of startup, management, architecture, and development experience. He has spent most of his career solving large-scale data problems, using a wide variety of technology to architect and implement high-volume web and mobile systems. Whether providing next-generation architecture for a top-three clinical applications vendor or developing a mobile training solution for global sales forces, Dan has drawn from experiences with companies as varied as IBM, Cerner, Alere, Mobiquity, Vertica (HP), Bluefin Labs (Twitter), Tervela, and more.

Balancing today's business needs with tomorrow's technical possibilities, Dan and his team apply agile techniques to build a robust architecture for software that engages users and delights customers and partners. Based in Boston, Massachusetts, Dan studied mathematics and chemistry at North Carolina State University.

Jill Rosa, VP of Operations, Credo Reference

Jill Rosa, Vice President of Customer Success

Jill Rosa has a passion for utilizing her financial, operational, and people skills to help build successful companies. She has experience in multiple industries (banking, retail, and software development) working with public, private and start-up companies. Since joining the Credo team in 2004, Jill has applied her skills to overseeing many different facets of Credo's operations including accounting, finance, administration and HR. She is now focused on building customer loyalty by delivering maximum value to customers via Credo's customer education, support and success initiatives. 

Before starting at Credo, Jill consulted for two woman-owned businesses that focused on ergonomic educational supplies for K-12 students and outdoor, street level advertising. Jill has a BS from Boston College with a focus on general management and philosophy and earned her MBA, with a focus on entrepreneurship, from Boston University.

Olga Karanikos, Senior Director of Marketing, Credo Reference

Olga Karanikos, Senior Director of Marketing

Olga brings ten years of experience in several education-related fields, ranging from English language programs to college transition programs to library services. With a passion for enabling students of all types to access the skills and knowledge needed for success, she leads all marketing initiatives for Credo's reference and education products. Prior to joining Credo, her previous roles focused on international education programs in admissions, sales and marketing positions. Most recently, Olga transitioned to the library services industry and was the marketing director for Ex Libris North America. 

Olga lives in Boston. She is trilingual and studied International Relations and French Language & Literature at Boston University.

Ann Gardner, Senior Director of Sales, Credo Reference

Ann Gardner, Senior Director of Sales

Ann has used her passion for sales management and rep development to lead successful sales teams across the legal, private, and academic publishing sectors. After a decade in legal publishing working with such names as LexisNexis and Findlaw, Ann moved to the private sector to become the Sales Development and Training Manager at Globalspec. She used her field experience to create training programs for every level of the sales organization while managing a group of highly skilled trainers. Then, after successful tenures with Swets and SpringerNature, Ann joined Credo as the Director of Sales for Library Services.

Ann lives in Averill Park, NY with her husband where she is committed to providing community service to people in her area. She holds Bachelors in Business Management from SUNY Empire State College.