On the campus of


Lori Hamada – Executive Director
lhamada@aimsedu.org — (559) 255-4094

Lori HamadaLori Hamada has served as the Executive Director of the AIMS Center for Math and Science Education since its inception. After teaching math for 14 years in middle and high school, Lori spent 12 years as the Mathematics Coordinator for the Fresno County Office of Education. She was named a finalist for Administrator of the Year in Fresno County in 2007 after designing and serving nine years as the Executive Producer of Math on Call – FCOE’s mathematics homework hotline for students that incorporated a live daily television broadcast with a call center staffed with credentialed mathematics teachers. Lori worked two years as CEO of the non-profit CPM Educational Program.  Before coming to The AIMS Center, Lori also served as a principal in the Central Unified School District. She is a former Director of the San Joaquin Valley Mathematics Project and a Past President of the Central Section of the California Math Council. Lori holds a Bachelors Degree in Mathematics from CSU, Fresno and a Masters Degree in Education from Fresno Pacific College, with a dual focus in Curriculum & Instruction and in Math Education.  She has been a professional development consultant for over 20 years, 12 as a national consultant for the College Board.  She was named one of the Marjaree Mason Top 10 Professional Women in Fresno, California in 2016.

Richard Thiessen, Ph.D. – Director, Research Division
rthiess@aimsedu.org — (559) 255-4094

Richard ThiessenAs Director of Research, Richard Thiessen is setting the vision for the knowledge translation happening at the AIMS Center for Mathematics and Science Education. He is also serving the role of Senior Researcher, leading a team involved in translating research related to the development of number sequences in young children.  Richard is a professor emeritus at Fresno Pacific University, where he served as Director of the Graduate Math/Science Education Program for many years.  During that time he was the PI and Co-PI for Eisenhower and NSF grants, respectively.  For the past 14 years, Richard has been the President of the AIMS Education Foundation.  Within respect to his involvement in mathematics, one of Richard’s passions has been teaching and exploring geometry, especially three-dimensional geometry.  A second passion not unrelated to the first is mechanical puzzles and in particular, three-dimensional mechanical puzzles that help students make concrete connections to geometric concepts and relationships. Dr. Thiessen received a Bachelors degree in mathematics from Friends University, a Masters in mathematics, and Ph.D. in mathematics/mathematics education from the University of Oklahoma.

Deb Porcarelli – Director, Professional Learning Division
dporcarelli@aimsedu.org — (559) 255-4094

Deb PorcarelliIn her 33rd year as an educator, Deb Porcarelli is currently the Director of Professional Learning at the AIMS Center for Math and Science Education. She has BS in Elementary Education and a Masters Degree in Integrated Mathematics and Science Education. She taught in a small rural K-12 school in South Central Montana, and joined the AIMS Facilitator cadre in 1995. In her current role at the AIMS Center, she is continually working to make professional learning partnerships with educators effective, and has the goal of helping them to improve their classroom teaching practices.

Terry Walther – Director, Support Division
twalther@aimsedu.org — (559) 255-4094

Terry WaltherTerry Walther, Director of the Support Division and Business Services Manager at the AIMS Center, has been with AIMS for 17 years, first in Accounts Payable and then soon after becoming Business Manager. She currently oversees the Business and Creative (audio-video- art- IT) teams. She is a Human Resource professional and member of SHRM, and an Accounting professional who truly believes debits and credits provide much-needed balance to her very busy schedule. Prior to AIMS, Terry worked in the Mortgage Banking industry providing Construction Loan disbursements, long-term mortgage servicing, and accounting services. Terry has been married for over 30 years, with two adult daughters who both write and draw, and three little dogs to keep her busy. She stays focused and encouraged with Psalm 121 and by choosing joy!
Lynn Gies

Lynn Gies
Administrative Assistant
Phone: (559) 453-8100