Members

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Bill Callegari
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Bill Callegari
Bill Callegari is a long-time citizen of Harris County, including 40 years residence on the Katy Prairie. He is a Licensed Professional Engineer, and also served as the Texas State Representative representing Katy and Cypress for fourteen years, from 2001 to 2015.
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Iris Gonzalez
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Iris Gonzalez
Iris Gonzalez is the founding Coalition Director for The Coalition for Environment, Equity and Resilience (CEER), an advocacy collaborative working on environmental justice policy solutions in the greater Houston region. She has over 10 years experience in program development, program management, coalition building, grant-making, fundraising, and community engagement.
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Lisa Gonzalez
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Lisa Gonzalez
Lisa Gonzalez is President of the Houston Advanced Research Center (HARC), a nonprofit sustainability research organization. Lisa is a longtime resident of East Harris County and as a coastal scientist, focuses on climate resilience and intersections between natural ecosystems and the built environment.
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Dr. Earthea Nance
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Dr. Earthea Nance
Dr. Earthea Nance is a published author, scholar, registered civil engineer, and certified floodplain manager with over 30 years of experience. She earned her PhD from Stanford University, and after Hurricane Harvey she served on the Greater Houston Flood Mitigation Consortium.
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Robert Rehak
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Robert Rehak
Bob Rehak has more than 50 years of experience in communications. After seeing thousands in his area flooded during Harvey, he launched ReduceFlooding.com, a website dedicated to helping people understand the causes of flooding as well as mitigation possibilities.
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Marissa Aho
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Marissa Aho
As the City of Houston representative on the CFRTF, Marissa Aho is the Chief Resilience Officer (CRO) for the City of Houston. She leads the city-wide resilience building efforts to help Houston prepare for, withstand, and bounce back from the “shocks” – catastrophic events like hurricanes, floods, and cyberattacks – and “stresses” – slow-moving disasters like aging infrastructure, homelessness, and economic inequality, which are increasingly part of 21st century life.
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Michael Bloom
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Michael Bloom
Michael F. Bloom, P.E., ENV SP, CFM, directs the sustainability practice of R. G. Miller Engineers, Inc. and is Vice President - Technical of the Houston Branch of the American Society of Civil Engineers. He is a nationally recognized expert in resilient and sustainable infrastructure planning and design with 29 years of professional experience.
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Dr. Joseph Colaco
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Dr. Joseph Colaco
Dr. Joseph Colaco holds a Ph.D. in Engineering from the University of Illinois, Urbana-Champaign and is President of Colaco Engineers and Professor of Architecture at the University of Houston. Dr. Colaco brings over 50 years of engineering experience related to flood resilience and mitigation and was a founding member of the Hurricane Research Center at Texas A&M. Most recently he served as an expert panelist for the webinar on Hurricanes and Tornadoes through Florida International University.
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Yasmeen Dávila
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Yasmeen Dávila
Yasmeen Dávila is a multi-diciplinary non-binary queer artist and organizer in Houston, Texas. Having lived through various hurricanes that passed through Houston, they have set their pursuits to advocate for the neglected neighborhoods that experience floods and chemical exposures before, during, and after hurricane season.
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Billy Guevara
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Billy Guevara
Billy Guevara is a member of the Northeast Action Collective, a community organizer, and twice-over flood survivor. He is totally blind and represents the interests of the neighborhoods in Northeast Houston.
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Dr. Denae King
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Dr. Denae King
Dr. Denae King is a native Houstonian and an environmental justice researcher at Texas Southern University. She earned a Ph.D. in environmental science/toxicology from the University of Texas Health Science Center - Houston, School of Public Health and works on environmental health projects in Houston’s underserved communities plagued with cumulative environmental exposures and recurring flooding.
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Elaine Morales-Díaz
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Elaine Morales-Díaz
Elaine Morales-Díaz is a Community Development Officer at LISC Houston, where she manages the GO Neighborhoods and Capacity Building Programs. With a background in Architecture and Community Design, Elaine has worked on equity building initiatives that address affordable housing, disaster recovery and community development issues through participatory design and planning.
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Jimmy Morales
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Jimmy Morales
Jimmy Morales is a long-lived North Harris County resident. He has worked in the insurance industry for over 10 years, handling a variety of insurance policies which includes flood insurance. He has earned a Bachelor of Business Administration degree with a concentration in Insurance and Risk Management from the University of Houston-Downtown.
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Mary Anne Piacentini
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Mary Anne Piacentini
Mary Anne Piacentini, President and CEO, Katy Prairie Conservancy, coordinates its land protection programs and conservation assistance to landowners, establishes community partnerships and relationships with diverse stakeholders, and oversees the operations and programs of the agency. She has a master’s degree in planning from Harvard University and is currently a board member of the Partnership for Gulf Coast Land Conservation, a member of the steering committee of the Coalition for Environment, Equity and Resilience,a member of the Land Trust Alliance’s Leadership Council, the chairperson of the Stream Corridor Restoration Committee of the Bayou Preservation Association, and previously served on the steering committee for Harris County Flood Control District's Cypress Creek Overflow Management Plan.
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Tracy Stephens
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Tracy Stephens
Tracy Stephens is the President of Sunnyside Civic Club, Gulfgate TIRZ Board Vice Chairman, Infrastructure Rehab and Development Chairman for South Park Community, ACTS Board Research Coordinator, and worked for the City of Houston Public Works and Engineering Specialized Maintenance District Supervisor for Streets, Drainage Construction and Rehab.
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Adriana Tamez
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Adriana Tamez
Adriana Tamez is a Houston Community College Trustee, and President and CEO for the Tejano Center for Community Concerns (TCCC) providing overall management of the non-profit organization and its nine service programs. Essential to this work has been nurturing and creating partnerships at all levels to meet the needs of our most vulnerable populations in our county.
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Kenneth Williams
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Kenneth Williams
Ken Williams is a founding director of the Northeast Houston Redevelopment Council, Vice-President of Super Neighborhood 48 Trinity-Houston Gardens, and a community servant/activist/resident.

The inaugural five (5) members of the CFRTF were appointed by Commissioners Court in Fall 2020 and are responsible for appointing the remaining twelve (12) members.