Founder & President
Ryoko Yamaguchi, Ph.D.
Ryoko has over 30 years of experience as a practitioner and researcher of adolescent development. Her methodological expertise centers around research and survey design and statistical analysis, particularly hierarchical linear modeling.
As a special education teacher, Ryoko held two teaching certifications in Special Education (Learning Disabilities and Emotional / Behavioral Disorder) with training in trauma-informed care, inclusion, and accessibility from Loyola University Chicago. She taught youth in psychiatric, residential, and public settings in the United States, as well as internationally in England and Japan.
As a social scientist, Ryoko has a Ph.D. from University of Michigan Ann Arbor, with continued training and certifications in evaluation design as a What Works Clearinghouse (WWC) certified reviewer and IES-funded Research Training Institute for Quasi-Experimental Design and Analysis, and in equity with certifications in Diversity, Equity, and Inclusion (DEI) and Equitable Community Change from Cornell University. She is an advisory board member of the Advancing Culturally-Responsive and Equitable (ACE) Evaluation Network.
Team Members
Futoshi Yumoto, Ph.D.
Futoshi Yumoto, Ph.D.
Futoshi Yumoto, Ph.D.
Principal Scientist
Toshi has over 20 years of experience as a psychometrician and data scientist. He is focuses on quantitative research with emphases on research design, program evaluation, data mining, and predictive modeling. Toshi is an advanced programmer in statistical and programming languages including: Python, SAS, BayesiaLab, Py
Principal Scientist
Toshi has over 20 years of experience as a psychometrician and data scientist. He is focuses on quantitative research with emphases on research design, program evaluation, data mining, and predictive modeling. Toshi is an advanced programmer in statistical and programming languages including: Python, SAS, BayesiaLab, PySpark, Scala, R, SQL, SPSS, WinBugs, VBA, PMML, MPlus and Mode. His expertise includes conducting psychometric analysis of instruments to establish reliability and validity, developing psychometrically sound instruments, and designing complex statistical analysis of “big data.”
Cyntrica Eaton, Ph.D.
Futoshi Yumoto, Ph.D.
Futoshi Yumoto, Ph.D.
Principal Associate
Cyntrica has over 20 years of experience as a computer scientist, researcher, curriculum developer, and trainer. She is a Hampton Roads native with a strong commitment for broadening participation in STEM and helping organizations establish equity-focused policies. Cyntrica translates research and the lived experiences
Principal Associate
Cyntrica has over 20 years of experience as a computer scientist, researcher, curriculum developer, and trainer. She is a Hampton Roads native with a strong commitment for broadening participation in STEM and helping organizations establish equity-focused policies. Cyntrica translates research and the lived experiences of culturally and linguistically diverse K-16 students to remove institutional and structural barriers and promotes equitable instructional practices through coaching, curricular development, and coordination of programs and policies.
Manyee Wong, Ph.D.
Futoshi Yumoto, Ph.D.
Manyee Wong, Ph.D.
Principal Scientist
Manyee has over 15 years of experience as a quantitative sociologist. She focuses on quantitative research with emphasis on improving the design and use of quasi-experimental methods. Her methodological expertise is in the use of interrupted time series and advocates the use of additional design elements. Her research f
Principal Scientist
Manyee has over 15 years of experience as a quantitative sociologist. She focuses on quantitative research with emphasis on improving the design and use of quasi-experimental methods. Her methodological expertise is in the use of interrupted time series and advocates the use of additional design elements. Her research focuses on the nation’s persistent performance gap and educational inequality. Manyee's research includes examining the validity of the theory of maximally maintained inequality and whether the expansion of education opportunities reduced educational inequality.
J. Michael Griffin, Ed.D.
J. Michael Griffin, Ed.D.
J. Michael Griffin, Ed.D.
Principal Associate
Michael has over 20 years of experience as an educator, program developer, and professional development trainer. He has served in numerous educational leadership roles from assistant principal (Puerto Rico) to an English learner student case manager (Arlington, VA). Trained in qualitative research, he has studied how K-
Principal Associate
Michael has over 20 years of experience as an educator, program developer, and professional development trainer. He has served in numerous educational leadership roles from assistant principal (Puerto Rico) to an English learner student case manager (Arlington, VA). Trained in qualitative research, he has studied how K-16 systems can better support neurodiverse students. With his unique combination of experience working with diverse teams (from schools to military personnel), his forte is in training and coaching teams to improve outcomes.
James Reed
J. Michael Griffin, Ed.D.
J. Michael Griffin, Ed.D.
Principal Scientist
James has over 30 years of experience as a computer scientist and data scientist. James brings significant expertise in data visualization specializing in Tableau Business Intelligence and Data Visualization Software. He has provided analytic technical assistance and consulting to various clients in the use of Tableau,
Principal Scientist
James has over 30 years of experience as a computer scientist and data scientist. James brings significant expertise in data visualization specializing in Tableau Business Intelligence and Data Visualization Software. He has provided analytic technical assistance and consulting to various clients in the use of Tableau, data dashboards, and data infographics. His data dashboards and data visualizations have won awards with federal clients. Steeped in using various programming languages, his forte is in transforming big data into meaningful data visualizations.
Daniela R. Amaya
J. Michael Griffin, Ed.D.
Daniela R. Amaya
Research Associate
Daniela has 5 years of experience as an education researcher and data analyst with extensive experience using quantitative and qualitative methods of analysis. She has worked for non-profit research institutions and public colleges since graduating with a B.S. in Economics from Duke University in 2018. She has expertise
Research Associate
Daniela has 5 years of experience as an education researcher and data analyst with extensive experience using quantitative and qualitative methods of analysis. She has worked for non-profit research institutions and public colleges since graduating with a B.S. in Economics from Duke University in 2018. She has expertise in analyzing how systemic educational inequality disproportionately affects students of color and those from low-socioeconomic backgrounds. Daniela is a scholar of culturally sustaining pedagogy, critical race theory, and various other equity frameworks; her work is firmly grounded in these principles.
Michelle Miller
Deb Howard Greenleaf
Michelle Miller
Project Manager
Michelle has 10 years of experience as a project manager, executive assistant, and communications/ social media manager. Working within non-profit and non-governmental organizations, she has led communications and fundraising efforts with coordinating large-scale communications and fundraising efforts, organizing large face
Project Manager
Michelle has 10 years of experience as a project manager, executive assistant, and communications/ social media manager. Working within non-profit and non-governmental organizations, she has led communications and fundraising efforts with coordinating large-scale communications and fundraising efforts, organizing large face-face events, and coordinating with executive leadership to support their efforts to advance the organization (from responding to media request and keynote presentations to reaching out to potential donors).
Kimi Reed
Deb Howard Greenleaf
Michelle Miller
Research Assistant
Kimi has 4 years of experience as a research assistant in projects aimed at furthering equity in education, healthcare, and health policy. She has worked on research projects conducting systematic literature reviews, qualitative and quantitative data analysis, and field-based data collection. She has also taken coursewor
Research Assistant
Kimi has 4 years of experience as a research assistant in projects aimed at furthering equity in education, healthcare, and health policy. She has worked on research projects conducting systematic literature reviews, qualitative and quantitative data analysis, and field-based data collection. She has also taken coursework at Columbia University in research methods, persuasive writing, and computer programming.
Deb Howard Greenleaf
Deb Howard Greenleaf
Deb Howard Greenleaf
Finance Manager
Deb has over 20 years of experience in accounting and finance. She has earned many certifications in QuickBooks, including the elite Advanced Certified QuickBooks ProAdvisor designation. Deb is also an Enrolled Agent, an IRS-licensed tax professional. She is active in her local Parent Teacher Association, has served on the
Finance Manager
Deb has over 20 years of experience in accounting and finance. She has earned many certifications in QuickBooks, including the elite Advanced Certified QuickBooks ProAdvisor designation. Deb is also an Enrolled Agent, an IRS-licensed tax professional. She is active in her local Parent Teacher Association, has served on the Board of Directors for her local school district since 2008, and is a member of the Audit Committee for a local Federal Credit Union.