DAVID ARONNE
CEO
Mr. Aronne is a State licensed engineering, hazardous materials, and demolition contractor with more than 35 years of experience in environmental engineering, remediation, and construction. He has been directly involved with hazardous waste and construction projects involving air, soil, materials, and groundwater.
Mr. Aronne has a vital insight into the environmental industry, emphasizing combining resources to meet specific program needs. He has consistently been able to anticipate trends and industry direction for more than three decades. Since 1992, Mr. Aronne has worked on over 250 Caltrans right-of-way hazardous materials clearance projects totaling more than 10 billion dollars in infrastructure costs.
HEATHER HALTERMAN
DIRECTOR OF OPERATIONS
Ms. Halterman has more than 20 years of operational management experience, specifically in environmental contracting and construction. As part of her duties, she oversees administration and operations. She has specific expertise in the areas of scheduling, computer software, regulatory compliance, public works compliance, as well as State and Federal contracting. Her expertise includes certified payroll, negotiation of subcontract agreements, client interaction, prevailing wages, and contractor deliverables.
GRACE ARONNE
Estimator & Project Manager
Ms. Aronne is an environmental professional, specializing in infrastructure projects. Ms. Aronne role at Summit is Vice President for Environmental Infrastructure, in this capacity she manages jobs throughout California. Her expertise in working with dozens of Federal, State, and local agencies includes planning, procurement, project management, and construction operations. With a strategic approach to project management controls, Ms. Aronne ensures meticulous attention to detail in overseeing the implementation of environmental infrastructure projects from inception to completion. She excels in negotiating and managing contracts and optimizing resource allocation. Ms. Aronne’s proficiency in regulatory standards helps mitigate environmental risks associated with infrastructure construction. Her skill in delivering sustainable, resilient solutions and navigating complex regulatory landscapes is reflected in each project. She is equally versed in the office or meeting stakeholders on the job site.
W. RICHARD LATON Ph.D., PG, HG
DIRECTOR OF TECHNICAL SERVICES
Dr. Laton is an expert in the field of hydrology/hydrogeology. He is currently an Associate Professor of Hydrogeology in the Department of Geological Sciences at California State University, Fullerton. This is a continuation of a career that includes years of teaching, consulting, litigation support, and management experience. Dr. Laton possesses extensive knowledge of soil and water contamination, hydrology and surface water, wetlands, coastal monitoring/geomorphology, and field sampling techniques. He has also acted as an expert consultant for various companies and agencies that need input on the above subjects, as well as natural hazard assessment and mapping.
RENE A. PEREZ, PG
ENVIRONMENTAL SERVICES
Mr. Perez is a Licensed Professional Geologist in the State of California with over ten years of experience specializing in geologic, hydro meteorologic, and hydrologic investigations primarily for litigation support. He has extensive experience in the use of Geographic Information Systems (GIS), which he uses to solve complex Geologic and Hydrologic issues. He also has experience collecting and integrating data into GIS for detailed spatial analysis. Mr. Perez uses GIS to prepare 3-Dimensional Computer-based and physical models to visualize critical data and site perspectives.
DAVE GOLD, C.I.H.
DIRECTOR OF HEALTH AND SAFETY
Mr. Gold has been practicing in the Environmental Health and Safety Profession since 1982. He has experience managing a wide range of safety and health within various industries and corporate cultures. He is well versed in regulatory requirements and experienced in single-, multi-, and international site management. Mr. Gold has an extensive background in occupational safety and industrial hygiene. He is a qualified expert witness. He holds a Master of Science in Industrial Hygiene from the University of Southern California. He obtained a Bachelor of Science degree in Health Science/Environmental and Occupational Health.
WIL CALBK, PG
PROFESSIONAL GEOLOGIST
Mr. Wilson Cablk is a California Professional Geologist with over twenty years of experience in investigating and remediating environmentally impacted properties. Mr. Cablk has excellent knowledge of standard environmental practices, procedures, and regulations. He has prepared proposals and summaries, and closure reports; developed sampling plans, cost estimates, and bid specifications; provided contractor and subcontractor oversight; regulatory agency communication and compliance; performed phase II subsurface investigations; remedial excavations; operation and maintenance of soil vapor and groundwater treatment systems; and soil and groundwater sampling.
MARK EVANS
Junior Estimator
Mr. Evans has been a valuable addition to our team, bringing with him six years of experience in project estimating. During his tenure, our company has achieved significant improvements in the bidding process, leading to an expanded portfolio, reduced bidding cycles, and a steady inflow of opportunities. His expertise in cultivating lasting relationships with stakeholders and ensuring seamless collaborations across multiple projects has been invaluable.
In addition, Mr. Evans has a strong background in data analysis and uses his skills to provide valuable insights and strategic planning for our projects. By leveraging data-driven insights, we can make better decisions, optimize outcomes, identify cost-saving opportunities, mitigate risks, and uncover trends. His contributions are crucial in maintaining Summit’s commitment to delivering excellence.