Board of Directors

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Shauna Lorenzo-Rivero, MD

Chairman of the Board

Years on the Board: 12 


I am a colorectal surgeon in Chattanooga, TN. Everything I do is to make patients healthy and happy by improving the health of their GI tract through surgery. I believe every human being should have access to health care. Healthy people are happy people. This is why I started the Greater Chattanooga Colon Cancer Foundation(GCCCF) to raise funds for those who cannot afford screening colonoscopy and educate our community on the importance of colon cancer screening. Colonoscopies save lives!

Colorectal Surgeon

University Surgical Associates

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Tom Brien, MD

Board President

Years on the Board: 12


As a GI Pathologist, I deal with colon biopsies every day.  It makes me sad every time I have to diagnose cancer because I know that screening saves lives.  I joined the GCCCF to help raise awareness in our area about the importance of colon cancer screening.  I also dress up as the superhero Captain Colon for the Rump Run and other events to hopefully make people more comfortable talking about a part of the body they too often choose to ignore.

Pathologist, Diagnostic Pathology Services

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Marshall Horton, MD

Board Vice President

Years on the Board: 8

After retiring from the practice of gastroenterology, I wanted to give back to the community through volunteerism. During my 30 year career, I saw so many people with colon cancer that could have been avoided or found earlier with timely screening.  The GCCCF was an opportunity to spread the word “Colonoscopies Save Lives.”
Retired Gastroenterologist,
Galen GI

 
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Jones Krogh, CPA, CFP

Years on the Board: 8

I became interested in and later joined the GCCCF after a close family member received a terminal diagnosis from colon cancer.  After her passing, multiple other family members have been impacted by colon cancer.  The desire to learn as much as possible about this disease and educate the general public about the importance of screenings has become important to me.  The GCCCF is helping to educate my adopted hometown of Chattanooga about the preventable and beatable disease of colon cancer.
Henderson, Hutcherson &
McCullough, PLLC

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Christie Burbank, Esq.

Years on the Board: 12

I am a cancer survivor.  I am a health care attorney in Tennessee and Georgia.  I am the wife of a super fun husband with ulcerative colitis.  I am the mother of 2 happy children.  I am friends with people who have lost loved ones to colon cancer.  It is an honor to do whatever I can to support, make aware, and protect my family, friends, and really everyone in Greater Chattanooga, who could be affected by this disease.
Rainey, Kizer, Reviere,
& Bell, PLC

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Katie Coleman, RT(R)(T)
 

Joined the board in 2022


I have had the privilege to serve the Chattanooga area for the past 15 years in Radiation Oncology, delivering radiation treatments to patients of many different backgrounds.  I am thankful for this opportunity to collaborate with others to bring awareness to educational resources, guidance, and access to screening- all of which can provide a meaningful impact in the prevention and early detection of colon cancer.  We have the tools- and they are for everyone.

Sarah Cannon Cancer Institute

at Parkridge Medical Center

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Deanna Hopkins, MSN, APRN, AGNP-C

Joined the board in 2021.

I love being part of GCCC, we’re passionate about providing life-saving knowledge to our community and the importance of colonoscopy for early detection/prevention of colon cancer.

Erlanger Oncology/Hematology
Vanderbilt Ingram Cancer Center

 

Helen J. Pinkerton

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Years on the Board: 5


I am very committed to the GCCCF for giving me an opportunity to continue to serve the community by volunteering and sharing my passion of giving back to my community. I am very passionate about the organization’s mission to educate the public about how colonoscopies save lives; as well as its specific target of reaching vulnerable communities of color with this message who are at a high risk of dying from this devastating, yet preventable disease.

Retired Grants, Health Education & Site Manager

 Erlanger Community Health Centers

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Craig Sarine

Years on the Board: 12

I am the CEO of a Chattanooga based surgical group which includes five colon and rectal surgeons as well as several general surgeons who perform many colon and rectal procedures as well.  While I do not have any family members who have been diagnosed with this disease, I had a friend who passed away from an undiagnosed rectal cancer because he put off routine screening until it was too late.  I serve on the GCCCF board to help our community avoid the emotional pain and, quite frankly, the frustration and disappointment of such needless loss.
Practice Administrator,
University Surgical Associates

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Alison Sexter

Years on the Board: 3

I’m passionate about the efforts of GCCCF in part because of all the people I know who have been impacted by the disease - especially my beloved grandmother who our family lost to colon cancer 12 years ago.
Corporate Communications Specialist, Public Affairs, BCBST

 
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Madison  Thomason, MS, CGC

Job Title

Joined November 2021

As a cancer genetic counselor, I work with many families who have an inherited predisposition to colon cancer because of a genetic abnormality that runs in the family. My goal is to help people understand their risk for colon cancer and what they can do to lower their chances (or even prevent it altogether) through earlier and more frequent colonoscopies. We know colonoscopies save lives, and I am excited to join the GCCCF in its mission to make sure that everyone in our beloved community gets the care they need so that they can keep enjoying life. 

 

Cancer Genetic Counselor and Coordinator of High Risk Genetics, CHI Memorial

Rees Skillern Cancer Institute  

Mindy Kolin,
Executive Director

Yes, her last name is pronounced as colon.  With more than 25 years in the non-profit sector, Mindy joined GCCCF in June 2021.

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