Data Academy Instructors Alumni

Meet our Data Academy instructor alumni. Interested in becoming an instructor? Let us know. See our current instructors.

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Ashley Groffenberger

Data Academy Alumnus

Ashley developed her love and appreciation for Excel while working in the state budget writing committees in the Massachusetts state legislature. Even as an instructor, she is still learning new Excel skills every day, and hopes to master Tableau in the near future. Beyond Data Academy, Ashley is an analyst in Mayor’s Budget Office, and provides fiscal support and analysis to a broad portfolio of City departments.  Ashley has a BA in Political Science from Northeastern University in Boston, MA.

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Celeste Berg

Performance Analyst, Controller's Office

Celeste is one of the very first Data Academy instructors.  She and Faran Sikandar developed content for and delivered the initial Introduction to Tableau workshop in January 2014. Since then, she has taught numerous courses and co-developed the content for a How to Be Productive in Excel and Tableau Intermediate I and II. Celeste has worked on a variety of projects during her time at the Controller’s Office, including: the Citywide Performance Program, 2015 City Survey, a supportive housing review for Human Services Agency, and a security and custodial services assessment for the Public Library. Celeste has a BA in Economics from Williams College in Massachusetts.

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David Weinzimmer

Data Academy Alumnus

David’s background is in data analysis, transportation planning, and engineering. After working in economic consulting, David pursued his graduate studies in transportation, and has worked on data analysis in transportation at university research centers, in consulting, and in the public sector in San Francisco and New York City. While he will always be particularly fond of using data analysis to improve transit travel time and reliability, he’s excited to be an instructor with Data Academy and help all departments uncover answers to their questions more efficient and effective data analysis. David has a Master of City Planning and MS Transportation Engineering from UC Berkeley, and BAs in Economics and French, also from UC Berkeley. (Go bears!)

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Debra Solomon

Director of Contract Compliance, Department of Public Health

Debra Solomon is the Director of Contract Compliance for the San Francisco Department of Public Health.  Together, she and her group have responsibility for monitoring the compliance, performance, and fiscal health of more than 350 contracts and public health programs. Previously, Debra was a Budget Analyst and Contracts Manager at the San Francisco Human Services Agency. She also has many years of experience in program evaluation and nonprofit management, with a special focus on using research and data to improve services and outcomes for the Bay Area’s most vulnerable populations.  She received a bachelor’s degree in History from Stanford University and a Master’s in Public Policy from the University of California, Berkeley.

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Elaine Vilorio

San Francisco Fellow, HOPE SF

Elaine first developed an appreciation for data at Amherst College, where she got a bachelor’s degree in Black Studies and Latin American & Latinx Studies. She’s worked primarily with R but has experience with SPSS, which she used during her time at the University of Michigan’s Inter-University Consortium for Social and Political Research. There, she cleaned and processed Survey of Consumer Attitudes and Behavior data and researched to what extent the race or ethnicity of teachers affects student outcomes. She hopes to further refine her R skills and become proficient in Tableau and Power BI.

Elaine is a San Francisco Fellow for HOPE SF, a unique affordable housing initiative between the Mayor’s Office and the Mayor’s Office of Housing and Community Development.

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Inger Brinck

Data Academy Alumnus

Inger joined the City in May 2014 after 13 years in the non-profit sector. Inger served as Operations Manager for the David and Lucile Packard Foundation working on cloud-server migration, systems change and process improvement. As Director of Programs for the Women’s Foundation of California, she led a team of six smart do-gooders who pursued social justice for low-income Californians through grantmaking, public policy, and technical assistance and training. At the Advancement Project, she developed a new program that analyzed local, state and federal government spending to support policy and systems change. In all of her work, she enjoys improving processes, increasing efficiency and effectiveness, and helping people feel better about their work. She has an MA in Economics from Claremont Graduate University, which included coursework at the Drucker and Ito School of Management, and a BA in Women’s Studies from Mary Washington College. She has special training in business process improvement, strengths-based management and non-profit and government finance.

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Joy Bonaguro

Chief Data Officer

Joy Bonaguro is the first Chief Data Officer for the City and County of San Francisco, where she manages DataSF. Joy has spent more than a decade working at the nexus of public policy, data, and technology. She worked from the birth of the open data and open government field, spending seven years designing and managing the development of information systems to support planning and decision-making at the Greater New Orleans Community Data. Prior to joining the City, Joy worked at Lawrence Berkeley National Laboratory to help develop technology, cyber and privacy policy working closely with both the National Lab CIO Council and the Department of Energy Information Management Advisory Group. Joy earned her Masters from UC Berkeley’s Goldman School of Public Policy, where she focused on IT policy.

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Sam Abbott

Data Academy Alumnus

Sam joined the City in August 2015 after working for three years at Urban Partnership Bank, a Chicago-based community development bank serving low to moderate-income communities by providing capital and financial services to spur economic development.  While at the bank, Sam developed his Excel skills as a financial analyst and continues to put them to work in City Performance.  Since joining the City, Sam has worked on projects such as creating online Tableau dashboards for park scores and enhancing Data Academy!  Sam graduated with honors from the University of Chicago in 2012, where he received a BA in Public Policy and a minor in Spanish.  He is originally from Cleveland, Ohio and enjoys watching documentaries and playing basketball.