The Corona Team

well established and here for you

Meet Our People

Our team is comprised of nationally recognized experts in data science, process engineering, water resources, strategic communications and utility information technology. 

Our Leadership

Chad Seidel, Ph.D., P.E.

Founding Partner & President

Louisville, CO

Dr. Chad Seidel is the President of Corona. He has enjoyed working with the water sector for nearly two decades providing innovative solutions to water quality and treatment challenges across the country.
303-544-2161 X 123

Craig Gorman, P.E.

Partner & Director of Water Quality
and Treatment

Louisville, CO

Craig has over 15 years of experience as a consulting engineer specializing in advanced water treatment and bench and pilot scale testing.
303-544-2161 X 403

Ayhan Ergul

Founding Partner & Vice President

Braintree, MA

Mr. Ergul is the Vice President of Corona. Ayhan brings nearly two decades of experience delivering information technology solutions in an environmental context to clients at municipal, state and federal level.
781-753-6666 X 404

Margaret Kearns

Partner & Director of Water Resources

Braintree, MA

Margaret leads the water resource team, supporting source water protection, software development, decision tools, regulatory analysis & GIS efforts.
781-753-6666 X 414

Jake Causey, P.E.

Partner & Sr. Water Process Engineer

Gonzales, LA

Jake is a professional engineer with more that 15 years of combined experience in the process engineering and permitting and compliance assistance.
781-753-6666 X 117

Jeffrey Rosen

Founding Partner

Braintree, MA

Mr. Rosen brings expertise in research, information management, data analysis, and statistics to support environmental decision making and resource management.
781-753-6666 X 654

Amlan Ghosh, Ph.D., P.E.

Partner & Sr. Water Process Engineer

Lewisville, TX

Amlan has over 17 years of experience as a consulting engineer specializing in advanced water treatment, distribution system water quality, and pilot scale testing.
781-753-6666 X 421

take a closer look

Water Quality & Engineering

Carleigh Samson, Ph.D., P.E.

Water Process Engineer

South Kingston, RI

Carleigh is a Ph.D. with experience focused on source water quality, water treatment process engineering, DBP formation and statistical modeling.
303-544-2161 X 412

Brittany Gregory, P.Eng

Water Process Engineer

Louisville, CO

Brittany has a MASc in Civil and Resource Engineering and has experience in water quality analysis, water treatment pilot operation, data analysis and process design.
303-544-2161 X 423

Anthony Kennedy, Ph.D., P.E.

Water Process Engineer

Louisville, CO

Anthony has a Ph.D. in Civil Engineering from the University of Colorado with experience in treatment process design and water quality management.
303-544-2161 x 996

Nathan MacArthur

Water Process Engineer

Louisville, CO

Nathan has a MS in Environmental Engineering from the University of Colorado and has experience in treatment process design and water quality management.
303-731-3649

Juliette Kaplan

Water Process Engineer

Louisville, CO

Juliette has a MS in Environmental Engineering from the University of Colorado with experience in treatment process design and water quality management.
303-544-2161 x447

Mathieu Medina

Water Process Engineer

Louisville, CO

Mathieu has an MS in Environmental Engineering from UT Austin and a BS in Chemical Engineering from MIT.
303-317-3289

Christian Mathews, Ph.D.

Water Process Engineer

Louisville, CO

Christian has a Ph.D. and MS in Environmental Engineering from Purdue University. Her research has included the use of far UVC irradiation on the inactivation of opportunistic pathogens in drinking water and the prevention of biofilms on drinking water plumbing materials..
720-850-5301

Geospatial, Data and Information Management

Tod Chee

SanGIS Program Manager

San Diego, CA

Tod is Corona’s program manager for SanGIS, San Diego Geographic Information Source, a joint powers authority between the City and County of San Diego.
858-874-7020

Jessica Zichichi

Sr. GIS Analyst

Braintree, MA

Jessica has over 17 years of experience using and implementing geographic information systems software for a variety of clients.
781-753-6666 X 422

Corona Business Operations

Louisa Hennecart

Project Controls

Louisville, CO

Project Controls

Holly LaPorte

Controller

Louisville, CO


303-544-2161

join Our Team

Enter Now to Win a Free iPad

Please fill out your information for a chance to win a free iPad. One entry will be randomly selected on November 17th. The winner will be contacted via email (or phone if provided).

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