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Our Team

Our Team

Daniel P. Sullivan, President

Daniel Sullivan is an environmental consultant for Chem Scope, Inc., with more than twenty years experience in the field of industrial hygiene.

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Ronald D. Arena Sr., Senior Consultant

Mr. Arena founded Chem Scope, Inc in 1979.

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Suzanne Cristante, Laboratory Director

Mrs. Suzanne Cristante has been employed by ChemScope Inc, since May 1994 and has been the Laboratory Director since October 2011.

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Gina Eisensmith, Office Manager

Gina Eisensmith has been employed at ChemScope Inc. for over 20 years. She began as a part-time office helper during her senior year of High School.

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Izabela Kremens, Quality Control Manager

Izabela Kremens

Since May 1994, Mrs. Kremens has been employed at Chemscope. Inc. and has been the Quality Assurance Coordinator since the coming of October 2011. She previously served as the company’s Lead Quality Assurance Coordinator from 1994 to 1996.

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Nathan Yergeau, Field Operations Manager

Nathan Yergeau

Mr. Yergeau with several years of experience and training is a qualified environmental consultant, specializing in Asbestos and Lead Based Paint hazards.

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Ziyang Wang, Industrial Hygienist

Ziyang Wang joined the Chem Scope family in Feb, 2014. Born in China, he studied in America from late 2012 and graduated from University of New Haven with a master’s degree in environmental engineering. He is now a CT DPH licensed asbestos project monitor, asbestos inspector, lead inspector, and a professional in field work and…

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Kristina Dykes, Industrial Hygienist in Training

Kristina has a bachelor’s degree in public health.  She performs asbestos and lead inspections in the field.  She joined Chem Scope in 2017.  

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Brian Hoang, Industrial Hygienist in Training

Brian earned a bachelors of science in geography, environmental, and marine studies.  He performs asbestos and lead inspections in the field.  He joined Chem Scope in 2017.

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Leigh Elijah, Principal Training Instructor

Leigh instructs lead and asbestos courses at Chem Scope’s training center.   Since she joined Chem Scope in 2014, she has conducted many asbestos, lead, and mold inspections, as well as web design and AutoCAD projects.  Her BA is in geology and geography with a focus on geospatial technology such as ArcGIS.  Leigh is always working…

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