Lina Chopra Haldar

Researcher | Evaluator | Curriculum Developer | Math Enthusiast | Children\'s Book Writer

Role
Learning Designer at Ello
Location
Berkeley, CA, US
LinkedIn followers
500 followers

About Lina Chopra Haldar

I have over 20 years of experience in education as a teacher, researcher, curriculum developer, and evaluator. I have also completed my PhD in math education from the University of California, Berkeley, where I developed my expertise as a qualitative researcher. I am available for consulting work and have managed a range of projects in STEM education. Beyond my professional work, I have poured my passion for math education into writing fiction and nonfiction children\'s books to inspire young learners to see math as playful, accessible, and empowering. My debut children\'s book is slated for publication in summer 2026.

Experience

  1. Learning Designer

    Ello

    Feb 2026 — Present

    Lead instructional strategy, shaping scope and sequence across core domains. Partner with curriculum, design, and product teams to translate learning goals into engaging, developmentally appropriate digital experiences that are instructionally sound and feasible within the product.

Education

  • Teachers College, Columbia University

    M.A., Mathematics Education

    2004 — 2005

  • Columbia University

    B.S., Operations Research

    1999 — 2003

  • University of California, Berkeley

    PhD, Mathematics Education

    2007 — 2014

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