Staff Members

Todd Guentensberger, Executive Director
Contact: 919.294.9883

After graduating from the University of Iowa (BS, 1996), and earning his teaching certificate in 1997 working with Dr. John Penick, one of the nation’s leading proponents of inquiry-based teaching, Todd began his career in education with Durham Public Schools as a seventh grade science teacher. In 2003 Todd joined CIBL. He leads many of our professional development workshops each year and he helped set up and run the CIBL materials center. Todd is also actively involved with the Association of Science Materials Centers and served on the board from 2006-2008. Todd also serves on the faculty of the Smithsonian Science Education Center’s LASER program, promoting science education reform.

Mara Thomas, Business Manager
Contact: 919.294.9884

Mara Thomas received her Bachelor’s degree in English from Minnesota State University – Moorhead in 2000 and a J.D. from the University of North Carolina at Chapel Hill School of Law in 2003. In 2014, Mara finished a 2-year Accounting program at Durham Technical Community College. She has been with CIBL since May 2007.

Ginny Riley, Production Manager
Contact: 919.294.9882

In 1983, Ginny Riley received her Bachelor of Science degree in health and physical education from East Stroudsburg University, the heart of the Poconos, Pennsylvania, and her Master’s of Education in physical education and sport psychology from Temple University in 1988. Ginny has been teaching physical education and coaching for the past 25 years in various private schools. After working with CIBL since 2006, she has found a new family of educators to work with and loves her job as a material packing specialist and production manager. Ginny also enjoys walking half marathon races!

Dave Smith, Emeritus

Dave taught middle and high school science, math, and music, and developed educational programs and materials before coming to CIBL. In 1999, he began working with the Duke University Center for Inquiry-Based Learning (CIBL) to help design the CIBL program and provide training in inquiry-based science teaching in K-8 classrooms. From 2002 to 2013, he directed CIBL.

Tim MacAller, Emeritus

Tim MacAller received his Bachelor’s Degree from the University of California Irvine in 1975 and his Master’s Degree in Botany from Duke University in 1981. He taught 9th and10th graders in a boarding school in Denmark for two years, and has worked as a 5 – 8 grade teacher for Durham Public Schools, Duke School for Children, and Durham Academy. He worked since 2001 as a trainer in inquiry teaching techniques for the Center for Inquiry-Based Learning.

Board of Directors

Carole Stern, Chair

After graduating from college, Carole began teaching middle and high school students at the Carolina Friends School. Carole returned to school eight years later to begin studying ways technology could be used to enhance and expand access to instruction. From 1992-2014 Carole worked at the North Carolina School of Science and Mathematics developing distance learning programs to serve students and teachers across North Carolina.

Lee Ann Segalla, Secretary-Treasurer

Since 2007, Lee Ann served as the Elementary Curriculum Officer and as Executive Director for AG, AP, and IB at Guilford County Schools. Previously, she oversaw elementary science education in Wake County schools. For more than a decade, she has been a strong advocate for teaching and learning that requires thinking across the disciplines.

Katey Ahmann

Katey is Deputy Director of Education at the North Carolina Museum of Natural Sciences. Many of the programs that Katey oversees occur in the Nature Research Center (NRC), an 80,000-square-foot wing of the museum where she and her staff work to demystify scientific research for the public. Her goals at the NRC include helping to prepare science educators and students, and to inspire young scientists. To that end, Katey oversees labs where visitors observe research conducted by scientists from the museum as well as visiting researchers from industries, universities and agencies. Katey also coordinates the Museum’s Science Café, a monthly event held in Raleigh coffee shops, bars and restaurants where people informally discuss issues with leaders in science and technology.

Mack McCary

After graduating from the Harvard Graduate School of Educaton, Dr. McCary has served as superintendent of Jackson County Schools, Chief Academic Officer of Guilford County Schools, Vice President of Education Services at Tetra Data Corporation, and as a School Change Coach in the NC New Schools Project. He is also a professor and author. Dr. McCary has a keen interest in education technology and in business-education partnerships.

John Parker

John Parker, now co-director of the Learning Laboratory Initiative for the NC New Schools Project, retired from 34 years in public education in 2006. Those years include 18 years as a high school mathematics teacher and 16 years as an administrator, including 5 years as a district superintendent. He earned his B.S. mathematics from Guilford College in 1972, his M.Ed. in mathematics education from UNC-G in 1974, and his Ed.D.in educational leadership from ECU in 2005. Two books convey his contributions to education and educational philosophy: Standardized Minds and Electric Dreams.

Melanie Scott

Melanie Scott is currently a senior program associate for science education at the Burroughs Wellcome Fund, a private foundation dedicated to the advancement of the biomedical sciences by supporting research and other educational activities. Melanie’s background in science and her deep interest in education, especially in rural North Carolina, led her to join the board in 2005.

Don Wells

Don Wells holds a MAT in Biology from Wesleyan University and has taught middle and upper school biology for many years. He also has been a Middle School Principal and was Headmaster of the Carolina Friends School in Durham. He continues to work as a consultant to nonprofits and schools throughout the state.

Korah Wiley

Since completing her graduate degree at Duke University in 2005, Korah has taught biology at the North Carolina School of Science and Mathematics, a residential STEM magnet school in Durham, NC.  Her career thus far has included presenting at education conferences on both the national and international level, as well as developing successful STEM enrichment programs and curricula.