At Hollaway Environmental + Communications Services, we promote a culture of ‘yes,’ ‘I can,’ and ‘I will.’ From this place of dedication and creativity, we deliver exceptional results.

– Leslie Hollaway, President & Owner

Your Team of Qualified Experts

At Hollaway Environmental + Communications Services, our team boasts zero learning curve. Our multi-disciplinary team of experts collaborates every day to find innovative solutions that make a difference for our clients and the projects we serve.

Why the Work We Do Matters

We make a difference in the work that we do. By effectively incorporating community engagement and environmental considerations into project planning and development, we help create win-win scenarios for our clients and the communities they serve. This purpose drives us every day.

Leslie Hollaway

President and Owner

Ms. Leslie Hollaway has a breadth of experience in project management, project planning and permitting, National Environmental Policy Act (NEPA) documentation, and public engagement for large-scale, high-profile infrastructure projects, and she uses this expertise to lead the award-winning team at Hollaway Environmental + Communications Services (formerly Crouch Environmental Services, Inc.).  Ms. Hollaway has thirteen years of experience serving projects throughout the Gulf Coast, including projects in Texas, Louisiana, Mississippi, and Florida.

I personally stand for (and behind) every work product we deliver.

– Leslie Hollaway

Claire Garvin

Vice President and Director of Environmental Services

Ms. Claire Garvin lends extensive experience to Hollaway Environmental + Communications Services (formerly Crouch Environmental Services, Inc.) in team and project management, project planning, National Environmental Policy Act (NEPA) compliance and environmental permitting, and development and execution of large-scale biological field survey programs as well as public involvement. Ms. Garvin has over 15 years of experience throughout the Gulf Coast including Texas, Louisiana, Mississippi, and Alabama. Ms. Garvin serves the team to ensure our clients and their projects are our focus.

Jennifer Smith

Director of Operations

Ms. Jennifer Smith, our Director of Operations, has been with HECS (formerly Crouch Environmental Services, Inc.) since 2016 and has over 12 years of Administrative and Financial experience. She provides the team with Accounting, Human Resources, and Business Management support to ensure day-to-day operations run smoothly. Ms. Smith is often referred to the glue that keeps us together.

Greg Sevcik

Creative Director

Mr. Greg Sevcik has over 10 years of experience as a professional graphic designer, developing print collateral, branding, and motion graphics.  Mr. Sevcik has expertise in developing various technical and educational communication tools for National Environmental Policy Act (NEPA) public involvement activities.  He is also responsible for the development and implementation of consistent and uniform templates for various project-specific newsletters and mail-outs.  Mr. Sevcik’s graphic design and video production work for client projects has won multiple Communicator and Telly Awards.

Ally Altemose, PWS

Environmental Team Lead

Ms. Ally Altemose is the Environmental Team Lead at Hollaway Environmental + Communications Services (Formerly Crouch Environmental Services, Inc.). Ms. Altemose is a Professional Wetland Scientist with over 12 years of experience delineating and permitting Waters of the United States, including wetlands along the Gulf Coast. She has managed many small- and large-scale development and infrastructure projects. She has a broad range of experience with plants and wildlife surveys. She holds a Texas Parks and Wildlife Department Scientific Collection Permit for freshwater mussels statewide and has conducted numerous rare, threatened, and endangered plant surveys throughout Texas.

Connor Stokes

Communications Team Lead

Beginning his role during an internship with Hollaway Environmental + Communications Services (formerly Crouch Environmental Services, Inc.) and growing into the position of Communications Team Lead, Mr. Connor Stokes has five years of communications experience including project management, project research, report authorship, video production, stakeholder outreach, public meeting/hearing planning, and quality assurance review. Mr. Stokes has played an integral role in many client projects, including the Texas General Land Office’s Coastal Resiliency Master Plan, the Coastal Texas Study led by the U.S. Army Corps of Engineers and Texas General Land Office, and crisis communications in support of the Harris County Flood Control District in the wake of Hurricane Harvey.

Carol Hollaway

Sr. Economist and Technical Editor

Ms. Carol Hollaway, a Senior Economist with Hollaway Environmental + Communications Services (formerly Crouch Environmental Services, Inc.), has over 40 years of experience in water resources planning, economic analysis, and social impact assessment. Ms. Hollaway has worked for the USACE, and the Institute for Water Resources (IWR) where she achieved subject matter expertise in a variety of economic evaluation techniques, cost-benefit analysis, nonstructural measures for storm risk reduction, social impact assessment, and water resource planning policy and practices. Ms. Hollaway has received national recognition for her contribution to flood risk management and water resources planning.

Kelly Gonzales, PWS

Senior Environmental Scientist and Project Manager

Ms. Kelly Gonzales has a multi-disciplinary background in environmental services, including managing and leading projects for Federal and state permitting, wetland delineations, threatened and endangered species assessments, ecological modeling, submerged aquatic vegetation (SAV) surveys, oyster surveys, nesting surveys, and environmental inspections throughout the southwest. Ms. Gonzales brings a wealth of experience from oil and gas, dredging, transportation, private development, beneficial use, and mitigation projects. Ms. Gonzales has over 9 years of experience in environmental consulting, field work, and technical writing and is a USFWS permitted wildlife biologist for several species and a certified drone pilot.

Tara Davis

Marketing Specialist and Project Manager

Mrs. Tara Davis has over 4 years of experience working in the private sector servicing Federal, non-governmental, and private organizations. She has work experience with creating and implementing marketing plans, which include social media strategy, collateral creation, logistics for tradeshows, and metric creation for companies. At Hollaway Environmental + Communications Services (formerly Crouch Environmental Services, Inc.), Mrs. Davis supports document creation, assisting with editing, coordinating large and small scale and public meetings, and general support of Hollaway team projects and marketing and project teaming efforts.

Trevor Pattillo

Senior GIS Specialist and Project Manager

Mr. Trevor Pattillo serves the Geographic Information Systems (GIS) Professional, supporting and managing the development of report figures, data compilation, and database research and organization. Mr. Pattillo has 6 years of GIS experience on projects ranging from ecology to transportation, supporting multiple individuals and offices. His main duties include acquisition and maintenance of GIS, CAD and geospatial data, creating high-quality and detailed maps and figures for a variety of projects, and collection of raw field data using GPS tools and software.

Kasey Clarke

Environmental Scientist

Since joining HECS (formerly Crouch Environmental Services, Inc.), Ms. Clarke has gained a wide variety of experience in environmental services including wetland delineations, threatened and endangered species surveys, oyster surveys, freshwater mussel surveys, environmental inspections, stormwater monitoring, and Phase I Environmental Site Assessments. Ms. Clarke has supported an array of projects including federal and state permitting, private development, mitigation, transportation, and dredging. Ms. Clarke brings with her a strong background in avian biology and behavior.

Christopher Garza

GIS Specialist and Environmental Scientist

In the time Mr. Christopher Garza has been with Hollaway Environmental + Communications Services (formerly Crouch Environmental Services, Inc.), he has gained experience with conducting wetland delineations, threatened & endangered species habitat assessments, and Phase I Environmental Site Assessments. Mr. Garza came to HECS with previous knowledge of ecosystem management, ecological restoration, tree and vegetation surveys, and invasive species control. He also has a background in forest entomology, landscape ecology, and Geographic Information Systems (GIS).

Rachel Evans

Associate Communications Specialist

Ms. Rachel Evans has over 13 years of experience in customer relations and service. She is an Army veteran and worked as a military pay technician, with HR experience. At Hollaway Environmental + Communications Services (formerly Crouch Environmental Services, Inc.) she works as an Associate Communications Specialist providing support and management for various projects including large scale transportation projects.

Thomas Mumford

Associate Communications Specialist

Mr. Thomas Mumford supports the Hollaway Environmental + Communications Services (formerly Crouch Environmental Services, Inc.) team as a Communications Specialist. Mr. Mumford joined the team with more than five years of experience in audio recording, mixing, and mastering, as well as more than seven years in live sound reinforcement and video filming and editing. A jack of all trades, he provides all-around support to our clients by providing an excellent level of service for every project that he has the opportunity to serve.


I appreciate the professionalism each of you brings to the table.

Greg Phipps, P.E. | J.A. Costanza & Associates


This firm has demonstrated professional and efficient management of projects, exhibited timely completion of projects as scheduled and budgeted, and exhibited knowledge and experience working with state and federal agencies.

Yu-Chu Su, PhD, P.E. | Lockwood, Andrews & Newnam


They are experts in overseeing the production of quality, biologically and technically sufficient documents and reports.

Dwayne Rogers | Harris County Engineering Department


Your team were amazing partners in planning and execution of our event.  This was the best event that I have ever been part of.

Auggie Campbell | West Houston Association