What is the fine-grained topic of the following text: Editor’s Note: Thomas Exler, the president of the Association for the Bladder Exstrophy Community (ABC) , also is the chairman and founder of Courage to Shine, an organization created to provide information for others, like Exler, who have found ways to overcome their problems and become successful people. Only return the topic.
Thomas Exler's role in organizations supporting individuals with Bladder Exstrophy problems.