<p>Current:</p>

<ul>
<li>Data Science at <a href="http://www.opower.com" rel="nofollow">Opower</a></li>
</ul>

<p>Past Projects:</p>

<ul>
<li><a href="https://github.com/addthis/stream-lib" rel="nofollow">Cardinality estimation &amp; TopK queries on data streams</a></li>
<li><a href="https://www.addthis.com/get/sharing" rel="nofollow">AddThis share counter</a></li>
<li><a href="http://support.addthis.com/customer/portal/articles/381264-addthis-analytics-api" rel="nofollow">AddThis analytics API</a></li>
</ul>

<p><a href="https://sites.google.com/site/halcyon002/" rel="nofollow">Ancient History</a></p>

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