Fall Conference Committee

Melissa Armstrong
Melissa ArmstrongCo-Chair

Current Employer: Consultant, Integral Consulting, Inc., 4704 Harlan Street, Suite 690, Denver, CO 80212, (303)596-8093
Email: marmstrong@integral-corp.com

Ms. Melissa Armstrong specializes in groundwater remediation, fate and transport of contaminants, and management of environmental remediation sites. She has worked on a wide range of challenging environmental remediation sites and litigation cases.

Ms. Armstrong has more than 15 years of environmental experience, including conceptual site model development, remedial design and planning, and management of a variety of large site investigations for various contaminants of concern including per- and polyfluoroalkyl substances (PFAS). Her project management experience includes organizing and writing reports, project planning, cost estimating, preparing proposals, invoicing, and managing staff. In addition, Ms. Armstrong has extensive experience as a supporting technical expert in a variety of litigation cases, including construction defect cases and environmental contaminant fate and transport cases.

Janet Castle
Janet CastleCo-Chair

Current Employer: President/PG, Eagle Synergistic Optimizing Technologies, LLC, 751 Pine Ridge Road, Golden, CO 80403, (720)475-0022
Email: jcastle@eaglesynergistic.com

Janet Castle has over 20 years of experience with utilizing geophysics, petrophysics, geology, hydrology, and geochem to optimize projects. She is a Professional Geologist and president of Eagle Synergistic Optimizing Technologies. Her primary area of focus includes managing a team of subsurface imaging specialists that complete HRSC investigation projects and 3D visualizations. As a geologist and petrophysicist, she has developed optimized strategies and plans for various types of sites, including commercial, Superfund, EPA, O&G, and DOD sites. She is actively engaged in the rapidly evolving world of PFAS science and regulations. Education is in geophysics and petroleum geology at University of Houston and Colorado School of Mines.

Suzanne Gabriele
Suzanne GabrieleCommittee Member

Current Employer: Geosyntec Consultants, Inc., 44 Union Blvd, Suite 620, Lakewood, CO 80228, (303) 790-1340
Email: sgabriele@geosyntec.com 

Suzanne Gabriele’s consulting practice focuses on environmental, health, safety (EHS) management for a variety of industries including mining, oil & gas, food processing, electrical utilities, manufacturing, health services, and municipal governments.

Having worked as a strategic advisor to private and public sector clients at both the corporate and operational levels, Suzanne has extensive experience helping clients manage risks and recognizing opportunities to improve EHS performance. Examples of Suzanne’s experience include managing numerous policy and management system development, implementation, and improvement projects including systems conforming to and certified under International Organization for Standardization (ISO) standards. Suzanne has also managed numerous projects where the U.S. Environmental Protection Agency (EPA) compliance-focused environmental management system standard is required. Suzanne’s practice also includes advising on operational management plans, and performance and compliance monitoring and auditing programs.

In addition, Suzanne has extensive knowledge of regulatory programs and the ways in which their regulations apply in the built world. Ms. Gabriele works with clients to design programs to manage obligation under these laws and also voluntary commitments relative to environmental, social, and governance (ESG). She directs and manages compliance audit programs and supports clients in identifying root cause and corrective actions for noncompliance.

To advance the state of the practice, Suzanne is the chair of Geosyntec’s Environmental Management Action Group Steering Committee and a mentor to mid-career practitioners within Geosyntec.

Suzanne relocated to Denver in 1992 from the New York metropolitan area with her husband with the intent of returning there in 3 – 5 years, but around 20 years in, they decided to stay. They’re nearly done raising three self-reliant, intelligent young women and enjoy travel, food, music, backpacking, and backcountry skiing as a family.

Drezden Kinnaird
Drezden Kinnaird Committee Member

Current Employer: Project Manager, CGRS Inc., 1301 Academy Court, Ft. Collins, CO, 80524, (970)493-7780
Email: dkinnaird@cgrs.com

Drezden Kinnaird is an accomplished Project Manager, with a specialization in AQCC regulatory compliance, multimedia environmental management, and liaising on behalf of local governments and oil and gas operators in Colorado. Drezden has over nine years of experience in the environmental industry and has worked in various roles where she managed multiple complex projects and client portfolios. Drezden is passionate about environmental regulations, and her advocacy for client interests has played a pivotal role in her frequent participation in government stakeholder processes.

Drezden holds a Bachelor’s Degree in Environmental Science and Technology with a concentration in Pollution Control & Monitoring, as well as a Minor in Geographic Information Science and Cartography from Colorado Mesa University. She is also a Registered Environmental Manager (REM) with the National Registry of Environmental Professionals.

Drezden was invited as a panelist for the Oil & Gas Discussion Panel at Envirofest2019, organized by the Rocky Mountain Association of Environmental Professionals, where she shared her insights on the changing regulatory landscape in Colorado. Outside of work, Drezden enjoys cooking and gardening. She joined the CEMS membership, Networking, and Outreach committee in 2023 in order to get more involved in expanding CEMS membership to young professionals.

Carlos Ortiz
Carlos OrtizCommittee Member

Current Employer: CSM Smith, Environmental Client Services Leader, WCG, North America Unit,  12400 Coit Road, Suite 400, Dallas, TX 75251

Email: ortizca@cdmsmith.com

Carlos attended The Pennsylvania State University, where he received a BS in Earth Science.

Carlos has over 24 years of experience in the environmental field providing leadership and technical expertise in the areas of site assessment and characterization, analytical data interpretation, geological and hydrogeological analysis, environmental risk evaluation, soil and groundwater remedial plan evaluation, design, implementation and project management of remediation projects. His experience includes projects in throughout the US, and internationally in Mexico, Puerto Rico and Nicaragua.

Carlos currently serves as the Environmental Client Services Leader with CDM Smith. In his capacity, Carlos is responsible for client relationship development, project capture and overall business development efforts for the West Central Group pursuing Public Sector Clients.  Carlos will be collaborating closely with the CDM Smith technical team, project managers and project delivery teams to deliver  field investigations, laboratory studies, and scientific and engineering analyses/designs to develop integrated, sustainable solutions the public sector clients.

Fun Fact: While attending Penn State, Carlos balanced his time as a student-athlete as a member of the Men’s Volleyball team. His biggest accomplishment as a student-athlete was winning the NCAA Men’s Volleyball National Championship in 1994 and receiving All-American honors.

Evan Singleton
Evan SingletonCommittee Member

Current Employer: Spencer Fane LLP, 1700 Lincoln Street, Suite 2000, Denver, CO 80203, (720)760-2211
Email: esingleton@spencerfane.com

Evan is an attorney with Spencer Fane LLP. Prior to that he was an attorney with Gablehouse Granberg, LLC. He assists clients on a wide range of environmental matters, including NEPA, clean air, clean water, and hazardous and solid waste.

Evan earned his law degree from the Sandra Day O’Connor College of Law at Arizona State University, where he was on the university’s Energy Policy Innovation Council (EPIC), a joint program between the law school and other grad programs focusing on law, engineering/science, sustainability, and public policy in the energy sector. Evan  also competed in the Inter-American Sustainable Development Moot Court Competition in Bogotá, Colombia in 2013 and presented on international environmental law at the UN Framework Convention on Climate Change conference in Bonn, Germany in the same year.

Glen Vallance
Glen VallanceCommittee Member

Current Employer: Principal / Environmental Services Manager, CGRS Inc., 1301 Academy Court, Ft. Collins, CO, 80524, (970)493-7780
Email: Glen@cgrs.com

Glen Vallance is a Principal and Environmental Services Manager at CGRS’s corporate headquarters in Fort Collins, Colorado. Glen is a Recognized Environmental Professional (REP) with over 18 years of professional environmental experience, and he currently specializes in site assessment and remediation. In addition to managing multiple CGRS divisions, his experiences encompass a variety of tasks, including surface water quality studies, petroleum storage tank consulting, Phase I and II ESA, soil and groundwater assessment, aquifer characterization, and regulatory compliance. Glen is a graduate of Colorado State University’s Natural Resources Department with a bachelor’s degree in Watershed Science.