On the campus of


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

Lori HamadaLori Hamada has served as the 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 (FCOE). 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 the current President of the Central Section of the California Math Council. Lori holds 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.

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 30th year as an educator, Deb Porcarelli leads the AIMS professional learning cadre. After receiving her BS in Elementary Education from Eastern Montana College, she taught in a small rural K-12 school in South Central Montana. She joined the team to become an AIMS Professional Learning Facilitator in 1995 and in January of 2013 added the responsibility of AIMS Facilitator Liaison. Deb completed her Masters Degree in Integrated Mathematics and Science Education through Fresno Pacific University in May of 2015.

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. Terry spent 5 years teaching a for-credit Bible Study course in a nearby women’s prison. Prior to AIMS, Terry worked in the Mortgage Banking industry providing Construction Loan disbursements and long-term mortgage servicing with then Clovis Community Bank and Bank of Fresno. Her first ‘real’ job after graduation was at a small mortgage company where she became Staff Accountant/Corporate Secretary before the owners retired.
Lynn Gies

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