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portfolio

Co-Director & Organizational Development Lead, Beyond Academia (January 2017 - present; Member, May 2016 - present)

Beyond Academia is an organization of approximately 15 graduate student and postdocs at UC Berkeley whose mission is to provide opportunities for our peers to explore careers outside of the tenure track. Our flagship event is a two-day conference featuring dozens of professionals with PhDs who have successfully transitioned to careers outside the tenure track, though we also program other events throughout the year. Read more


publications

Slingshot: Cell lineage and pseudotime inference for single-cell transcriptomics

bioRxiv, April 2017

Stable and accurate inference of branching trajectories is an important problem in single-cell genomics. We provide a quantitative comparison of existing methods and introduce a more modular novel method, Slingshot. Read more

Kelly Street, Davide Risso, Russell B. Fletcher, Diya Das, John Ngai, Nir Yosef, Elizabeth Purdom, Sandrine Dudoit. (2017). Slingshot: Cell lineage and pseudotime inference for single-cell transcriptomics. bioRxiv 128843. https://doi.org/10.1101/128843


Deconstructing Olfactory Stem Cell Trajectories at Single Cell Resolution

Cell Stem Cell, June 2017

The olfactory epithelium is a site of active neurogenesis. We combine single-cell transcriptomics and clonal lineage analysis to trace cell fates from the multipotent olfactory stem cell and identify multiple mechanisms controlling cell fate, including direct conversion of quiescent stem cells into support cells without cell division. Read more

Russell B. Fletcher*, Diya Das*, Levi Gadye, Kelly N. Street, Ariane Baudhuin, Allon Wagner, Michael B. Cole, Quetzal Flores, Yoon Gi Choi, Nir Yosef, Elizabeth Purdom, Sandrine Dudoit, Davide Risso and John Ngai. (2017). Deconstructing Olfactory Stem Cell Trajectories at Single Cell Resolution. Cell Stem Cell, 20, 817-830. http://www.cell.com/cell-stem-cell/fulltext/S1934-5909(17)30127-3


Injury Activates Transient Olfactory Stem Cell States With Diverse Lineage Capacities

Cell Stem Cell, December 2017

Manuscript in press. Details forthcoming. Read more

Levi Gadye*, Diya Das*, Michael A. Sanchez*, Kelly Street, Davide Risso, Ariane Baudhuin, Michael B. Cole, Allon Wagner, Yoon Gi Choi, Elizabeth Purdom, Sandrine Dudoit, Nir Yosef, John Ngai, and Russell B. Fletcher*. (2017). Injury Activates Transient Olfactory Stem Cell States With Diverse Lineage Capacities. Cell Stem Cell, in press.


talks

Making a To-Do List That Works for You

Becoming More Productive: Workflow Strategies for Graduate Students, October 2016

This presentation was part of a workshop hosted by the UC Berkeley Library for students in the life & health sciences. Read more


Introduction to R & RStudio

UC Berkeley - The Hacker Within (Berkeley Institute for Data Science), November 2016

I gave a tutorial introducing R & the RStudio IDE to first-time users. Read more


Data Tidying and Transformation in R & Python

UC Berkeley - The Hacker Within (Berkeley Institute for Data Science), March 2017

I led an interactive tutorial on the basics of data tidying & transformation in R; my colleague David DeTomaso (Python) and I interspersed our presentations so as to aid both R and Python users in learning the other language by making clear analogies. Read more


Data Visualization in R

UC Berkeley - The Hacker Within (Berkeley Institute for Data Science), March 2017

I gave a tutorial on the basics of visualization in R, using Jupyter Notebooks to produce an illustrative guide. Read more


Yet Another Git(Hub) Tutorial

UC Berkeley - CDIPS Data Science Workshop Tutorials Week (Berkeley Institute for Data Science), June 2017

I gave a presentation on the basics of Git and GitHub, geared towards first-time users in collaborative settings. Read more


Utility Functions in R

UC Berkeley - The Hacker Within (Berkeley Institute for Data Science), October 2017

I gave a tutorial on environments in R and customizing startup environments. Read more


teaching

MCB 160: Introduction to Neurobiology

UC Berkeley, Department of Molecular & Cell Biology, January 2014

  • Taught weekly discussion sections for two sections of introductory neurobiology for upper-level undergraduates.
  • Held office hours, organized exam review sessions, and wrote quiz questions.
  • Coordinated with 3 professors, 1 other Graduate Student Instructor, and several graders to administer and grade exams in a timely manner.
Read more


MCB 104: Genetics, Genomics & Cell Biology

UC Berkeley, Department of Molecular & Cell Biology, January 2015

  • Taught weekly discussion sections for two sections of genetics, genomics, and cell biology for upper-level undergraduates.
  • Held office hours, answered questions on and moderated class discussion board, organized exam review sessions, and wrote review, quiz and exam questions.
  • Coordinated with 3 professors, 4 other Graduate Student Instructors, and several graders to administer and grade exams in a timely manner.
Read more