Dr. Ryoko Yamaguchi

President & Founder

Ryoko has over 25 years of experience in K-12 education. As a social scientist with expertise in quantitative research methods, her research focuses on improving student equity and implementing effective school practices to improve student learning. Ryoko holds teaching certifications in Special Education (Learning Disabilities and Emotional / Behavioral Disorder) and has taught K-12 students in psychiatric, residential, and public settings. Ryoko founded Plus Alpha to bridge the gap between research, practice, and policy so that education systems can meet the needs of all students and families.

Principal Research Scientist

Adam has over 20 years of experience in education systems improvement. As a practitioner, researcher, and technical assistance provider, he has visited more than 400 classrooms throughout the U.S. He has researched diverse education topics in the field including school funding systems, English language learners, high school reform, and special education. His research expertise is in qualitative research, with a focus on case study methodologies as applied to practical and policy research studies.

Principal Research Scientist

Manyee has over 15 years of experience as a sociologist and quantitative research methodologist. Her research focuses on the nation’s persistent achievement gap and educational inequality. Manyee examines environmental risk factors that may affect the educational attainment of minorities, at-risk, and disadvantaged youths. She also worked as an executive budget and policy analyst at the Department of Administration for the State of Wisconsin, advising the governor on policy and budget issues.