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Hi, I'm David! 👋

I'm a software engineer with a background in chemical engineering and aerosol chemisty and physics. I'm currently the CEO of QuantAQ - we build low-cost, professional-grade air quality sensors to supplement existing regulatory monitoring networks.

whoami

  • I'm originally from the Bay Area (Napa, CA) and currently reside in Cambridge, MA
  • I completed undergrad degrees in Chemical Physics (Hendrix College, AR) and Chemical Engineering (WashU, MO), and a PhD in Atmospheric Chemistry and Physics (MIT, MA)
  • I love baseball (Go Giants!)

🏡 Location

I currently reside in Cambridge, MA and can often be found in one of the many coffee shops around (Broadsheet and Gracenote are favorites).

Previously, I've lived in:

  • Napa, CA
  • Conway, AR
  • Thousand Oaks, CA
  • St. Louis, MO
  • Ann Arbor, MI
  • Cambridge/Somerville, MA

I also spent a fairly significant chunk of time in India (mostly Delhi, Mumbai) during my PhD, though in 2-4 week chunks.

📱 Contact

It is easiest to reach me via email at the address listed on my profile. For air quality-related inquiries, you can also reach out to QuantAQ directly at [email protected].

code

I write a lot of software. I mostly work in Python and C++ and spend most of my time these days across a number of various areas including front-end, back-end, architecture, devops, and embedded software. In addition to writing code, I spend a good chunk of time designing the electrical and mechanical components that comprise QuantAQ's product line.

David H Hagan's Projects

opcsim icon opcsim

opcsim is a python package for simulating low-cost optical particle sensors

pam icon pam

LabVIEW and Python files for the PAM network

py-opc icon py-opc

Python wrapper for the Alphasense OPC-N2 built around py-spidev

pycham icon pycham

PyCHAM: Python CHemistry with Aerosol Microphysics box model for Windows, Linux and Mac

pymiescatt icon pymiescatt

A collection of forward and inverse Mie solving routines for Python 3, based on Bohren and Huffman's Mie Theory derivations

python-hih6130 icon python-hih6130

Python Library for connecting to/using the Honeywell HIH6130 relative humidity and temperature sensor.

python-nrsdb icon python-nrsdb

Python wrapper for NREL's National Solar Radiation Database (NRSDB)

shields icon shields

Concise, consistent, and legible badges in SVG and raster format

stocks icon stocks

OSS for quantitatively analyzing stocks using an approach heavily geared towards value investment principles

tcherry icon tcherry

This R-package is for learning the structure of the type of graphical models called t-cherry trees from data. The structure is determined either directly from data or by increasing the order of a lower order t-cherry tree.

thermolabview icon thermolabview

LabVIEW vi's for importing ThermoScientific environmental gas analyzer data in real-time

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