Meet the Team

Meet the DTC Team

Dianna Ridgway, Senior Vice President - Research

Dianna Ridgway

Senior Vice President - Research

Dianna is honored to hold the title of DTC’s First Employee (!), having joined the company in 2003, she has been an integral part of the growth that has made DTC the company it is today. Dianna helps the research team provide top-notch,...

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Andy Blumenfeld, Head of Market Analytics

Andy Blumenfeld

Head of Market Analytics

Andy Blumenfeld joined DTC in 2017 as Head of Market Analytics bringing over thirty years of experience in coal and energy. Andy spent most of his career at Arch Coal, Inc. where he served in numerous capacities in market research...

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Charles Dayton, Vice President - Market Analytics

Charles Dayton

Vice President - Market Analytics

Charles Dayton joined DTC in 2016 as Vice President of Market Analytics.  Previously, he spent six years with Arch Coal, working in a variety of senior market research roles within Arch’s Analysis and Strategy group and ultimately as the head...

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Sara Voorhees, Associate Vice President - Research

Sara Voorhees

Associate Vice President - Research

Sara began with DTC in 2008 and was promoted to Associate Vice President – Research in 2012.  She is one of the many gears that helps crank out DTC’s myriad of reports and Flash Emails.  In addition to tracking a widening array of market catalysts...

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Phil Wagner, Senior Analyst

Phil Wagner

Senior Analyst

Phil started with DTC in February 2014 as a Senior Analyst, after previously working at Alpha Natural Resources as a Senior Analyst in the Market Analysis and Strategy group until 2012, and rejoins the coal industry after a brief stop as an analyst at...

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John Lowell, Senior Analyst

John Lowell

Senior Analyst

John Lowell joined DTC in 2017 as a Senior Analyst.  Previously, he worked at Arch Coal for eight years in both sales and corporate development roles.  During his tenure at Arch, he originated coal sales both internationally and domestically to...

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Geoff joined the team full-time after completing an internship while finishing his degree at Colorado Mesa University. He graduated in 2015 with a degree in Environmental Science and a minor in Chemistry. Geoff combines his science background with compelling market analysis...

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Tracy Green, Data Analyst

Tracy Green

Data Analyst

Tracy joined DTC in June 2017 as a Data Analyst and is working out of DTC’s Colorado headquarters in Grand Junction. She is originally from Japan and she graduated cum laude from Mayville State University with a B.S. in Mathematics....

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Ben Coleman, Business Development Executive

Ben Coleman

Business Development Executive

Ben joined DTC in the spring of 2018 and is focusing on developing new business opportunities. Prior to joining the DTC team, he spent three years as an Account Executive and Sales Manager at Terrapinn after graduating from Temple University...

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