Our Team

Behind Open Up Resources is an experienced team of former educators, senior K-12 executives, and state government technology management leaders who share a passion for quality education.

We are strengthened by an extensive network of partners and supporters. Our collective efforts serve to maximize student success and improve student outcomes for all students.

Executive Officers

Larry Singer
Chief Executive Officer

After 35 years of working at the intersection of technology and public policy, Larry Singer joined Open Up Resources as CEO. He has held senior executive roles including EVP of K12 North America at Pearson and SVP positions at HP and Sun Mircosystems. Larry was the first State CIO and Executive Director of the Georgia Technology Authority, and was a Research Fellow at The John F Kennedy School of Government at Harvard University.

Karl Nelson
Chief Operating Officer

Before joining Open Up Resources as a founding leader, Karl served as the director of the Digital Learning Department for the State of Washington’s Superintendent of Public Education. Prior to this appointment, Karl was the Director of Technology and Operations for the Digital Learning Commons, a 501(c)(3) formed under the direction of Washington Governor Gary Locke. There, he helped the organization leverage digital tools to improve education quality in his state.

Jason Panella
Chief Commercial Officer

Jason brings 20 years of education market experience to Open Up Resources, having held executive and business development positions with Onward Healthcare, Thomson Learning (Cengage) and most recently Pearson Education. At Pearson, Jason was the lead architect for a K-12 custom publishing program and led channel development efforts for Charter schools & alternative markets. Later he developed a successful technology partnership program, working with Intel, Samsung, Microsoft, Amazon, and Google. Jason is a graduate of SUNY Albany and has completed post-graduate work in Economics and Information Technology, at Carnegie Mellon and Mercy College respectively.

Karen Vaites
Chief Evangelist & Community Development Officer

Karen joins Open Up Resources after building the marketing functions at multiple K-12 startups: Noodle Markets, where she was Chief Marketing Officer and Chief Product Officer, and literacy solution LightSail, where she was Chief Marketing Officer. Previously, Karen led the digital engagement work at Student Achievement Partners and developed Houghton Mifflin Harcourt’s Algebra Fuse digital textbook while at ScrollMotion. Karen began her career in online travel, where she served as Managing Director of Expedia’s Distribution business in Europe. She is a magna cum laude graduate of Amherst College, where she captained the Women’s Swim Team.


Tammy Baumann
Quality Assurance Director of Mathematics

Tammy began her career in the classroom and has worked on state advisory committees for mathematics for over 15 years; developing, scoring, and evaluating assessment questions for state exams. Prior to joining Open Up Resources, she served as Director of Curriculum, Instruction and Assessment with East Lansing Schools in Michigan. She was responsible for the development of a K-12 math curriculum, pacing guides, and district wide formative and summative assessments. She recently completed her tenure as chair for the Professional Development Services Committee for the National Council of Teachers of Mathematics (NCTM), where she worked with professional educators and university staff from around the US.

Cedar Mathis
Program Manager

Before joining the Open Up Resources team, Cedar supported the OER initiative within The Learning Accelerator where she also focused on the organization’s fundraising efforts. She has 15 years of creative project and client management experience, four of which were focused on developing brand awareness and corporate identity programs for Landor Associates. She also served as Project Director at Michael Osborne Design for 10 years, where she managed startup and large-scale graphic design programs for consumer packaged goods, and as Project Director for Joey’s Corner, a design studio that developed strategic solutions for healthcare, children-centered and social wellness organizations. At Open Up Resources, Cedar manages branding, design, and coordinates pilot programs.

Rachel Martinez
Business and Executive Operations Manager

Rachel brings over 15 years of business development, corporate communications and marketing team management, including c-suite executive level and board of directors support. Rachel has worked in the public relations and communications industry with clients such as Mercy Corps, Microsoft and TMobile. She began her career in the healthcare industry, where she worked with the John Muir Board of Directors in California and Legacy Healthcare systems in Oregon. Rachel also served as an Ambassador Board Member for CASA for Kids in Oregon and enjoys supporting marketing events for Mercy Corps in her free time.

Independent Directors

Joe Wolf
President / THe Learning Accelerator

Joe is an investor and entrepreneur focused on providing deserving kids with superior educational and life opportunities. In addition to his involvement with The Learning Accelerator, Joe is on the Leadership Council at NewSchools Venture Fund, the board of the Clayton Christensen Institute for Disruptive Learning and the advisory board of New Classrooms (formerly School of One.) He also serves on the National Board, where he heads up the Innovation Committee for Summer Search (a leadership development program focused on low income youth.) Joe was Partner at RS Investments (formerly Robertson Stevens Asset Management) from 2001-2012. At RS, Joe co-managed a team that grew from $100MM to over $12B in assets. His responsibilities included investment and portfolio management, strategic development, sales and marketing and business management. Prior to RS, he worked at Goldman Sachs & Company in both the equities division and the strategic consulting group. Joe holds a B.A. from Vanderbilt University and an MBA from Harvard Business School.

Jim Bildner
Managing Partner, CEO / Draper Richards kaplan foundation

Jim focuses on investing in nonprofits and social enterprises that work to solve complex issues, including systemic poverty, environmental and conservation issues, food insecurity, access to healthcare, homelessness, community development and second generation strategies. Jim is also an Adjunct Lecturer in Public Policy at the Harvard Kennedy School and a Senior Research Fellow at the Hauser Institute for Civil Society and the Center for Public Leadership at Harvard University. Among his board affiliations, he is a trustee of The Kresge Foundation, The Non Profit Finance Fund, The Public Citizen Foundation and the Health Foundation for the Americas. Jim is a nationally recognized lecturer, panelist and speaker on nonprofit organizations, social enterprise, capitalization and the institutional role of philanthropy in solving complex societal issues.

Phil Daro
Director of Mathematics for the Strategic Education Research Partnership

Phil Daro was a lead writer of the Common Core State Standards for Mathematics, and continues to work to advance the design and use of leadership tools for improving mathematics instruction and assessment at every level of the educational system. As Director of Mathematics for the Strategic Education Research Partnership, he organized partnerships between the University of California, Stanford, and other universities with the Oakland and San Francisco Unified School Districts. Recent consultation clients in mathematics curriculum and instruction include Japan, Brazil, New York City, San Francisco, Oakland and other districts. He was the design lead for a tablet based K-12 mathematics curriculum to be published by Pearson.

During sixteen years at the University of California, he directed several large-scale teacher professional development programs, including the California Mathematics Project. He also directed the National Center for Education and the Economy’s New Standards Project and was a Senior Fellow for Mathematics for America’s Choice. He has held leadership positions with the California Department of Education and served on numerous national committees addressing central issues in mathematics assessment, standards, and instruction.

In 2012, he received the Walter Denham Award from the California Mathematics Council for his leadership, and in 2014, the Ross Taylor/Glenn Gilbert National Leadership Award from the National Council of Supervisors of Mathematics in recognition of his unique and dedicated contributions to mathematics education. He serves on the Executive Committee of the International Society for Design and Development.

Daro currently serves on the Board of the Strategic Education Research Partnership, the Board of Shell Centre Publications at the University of Nottingham, is a Member of the NAEP Validity Studies Panel, and the Advisory Board for the Algebra for All initiative in New York City schools.

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