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{xrst_begin home}
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   tikhonov
   willowbrook
}

Bradley M. Bell's Home Page
###########################


Numerical Software Engineer
***************************
People who are interested in and understand numerical mathematics,
usually prefer to write papers others can read instead
of :ref:`software-name` others can use.

Willowbrook Golf Course: 2016
*****************************
|willowbrook_sunset.jpg| 

Picture of Brad: 2007
*********************
|brad2007.png| 

Employment
**********

#. `Applied Physics Laboratory 
   <http://www.washington.edu/home/maps/northwest.html?HND>`_, 
   1013 NE 40th Street, Seattle

#. `Institute for Health Metrics and Evaluation <http://www.healthdata.org>`_,
   Hans Rosling Center,  3980 15th Ave. NE, Seattle

Contact Information
*******************

#. **E-mail** bradbell at seanet.com

#. **Google** bradley.m.bell

Technical Biography
*******************
Dr. Bell received his BA in math and physics from
`Saint Lawrence University <http://www.stlawu.edu>`_ in 1973,
his MA in mathematics from the
`University of Washington <http://www.washington.edu>`_ in 1976.
and his Ph.D. in mathematics from the University of Washington in 1984.
Currently he is employed by the
Applied Physics Laboratory
of the University of Washington and working on projects for
The Institute for Health Metrics and Evaluation.
As part of this work is developing and supporting the
following open source projects:
`cppad_mixed <https://bradbell.github.io/cppad_mixed/>`_ and
`dismod_at <https://bradbell.github.io/dismod_at/>`_.
He is also developing and supporting
the open source C++ and Python Algorithmic Differentiation (AD) projects
`CppAD <http://www.coin-or.org/CppAD/>`_ and
`cppad_py <https://bradbell.github.io/cppad_py/>`_.
His current research is focused on
numerical methods for estimating parameters is statistical models for data.
This includes:
algorithmic differentiation,
Kalman filtering and smoothing,
stochastic function estimation (Tikhonov regularization),
nonlinear mixed effects estimation,
optimization,
and monte-carlo simulation.

Non-Technical Biography
***********************
Brad was born in New York city on June 10, 1952.
His father, George Bell, owned a metal working shop in Brooklyn New York.
As a child he would spend the summers at
`Keewaydin <http://www.keewaydin.org/>`_
a camp in Salisbury Vermont.
Later he spent his summers working for his father.
After graduating from Saint Lawrence University,
Brad moved to Seattle and attended graduate school
in mathematics at the University of Washington.
After completing a master's degree,
he worked as a software engineer for Flow Research.
While working at Flow Research, his son Gabriel Bell was born.
After working at Flow Research for a few years, he accepted
a software engineer position as a member of the
Applied Physics Laboratory.
After working at APL for a few years,
the Laboratory awarded him a scholarship
to attended graduate school
and finish his Ph.D.
Around this time he took up white water kayaking and enjoyed that
sport for many years.
Around the turn of millennium, back problems forced him to look for
a new sport and he found rock climbing.

Contents
********
{xrst_toc_table
   resume.xrst
   publications.xrst
   abstract.xrst
   white_paper.xrst
   packages.xrst
   software.xrst
   journals.xrst
   ssh_key.xrst
   bikelist.xrst
   bike2022.xrst
   rock_climb.xrst
   picture.xrst
   mdot_bike_wish.xrst
   links.xrst
}

.. |willowbrook_sunset.jpg| image:: {xrst_dir binary/willowbrook_sunset.jpg}

.. |brad2007.png| image:: {xrst_dir binary/brad2007.png}

{xrst_end home}