Charlie Brummitt is a Principal Data Scientist with 14 years of experience melding applied mathematics, complex-systems research, and machine learning to tackle real-world problems across economics, agriculture, and climate. He leads data science teams at Indigo, where he designs rigorous MRV systems and co-authors methodologies that quantify carbon credits at unprecedented scale and statistical rigor. His background spans academic postdocs at Columbia and Harvard and a Ph.D. in applied math, informing work on contagion in supply chains, financial crises, and the social dynamics of innovation. Charlie blends statistical theory with practical engineering—contributing to open-source tools like pyGAM to add posterior sampling and uncertainty quantification—and has built chatbots and NLP pipelines for randomized trials in developing economies. He thrives in ambiguity and excels at synthesizing ideas from disparate fields to create auditable, policy-relevant scientific products.
14 years of coding experience
5 years of employment as a software developer
Ph.D Applied Mathematics, Ph.D Applied Mathematics at University of California, Davis
B.S Mathematics Physics, B.S Mathematics Physics at University of Wisconsin-Madison
[HELP REQUESTED] Generalized Additive Models in Python
Role in this project:
Data Scientist
Contributions:16 commits, 2 PRs, 26 comments in 4 months
Contributions summary:Charlie primarily focused on implementing and refining methods for simulating from the posterior distribution of model coefficients and the response variable within the pygam library. Their contributions involved adding the `sample` method to the `Distribution` and `GAM` classes, and improving the parametrizations of the distributions. These changes provide users with the ability to draw samples from the model's posterior, enabling uncertainty quantification and facilitating more thorough model evaluation.
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