ɡˈɪldɚɹ ænd hɪz wˈaɪf, pˈɛɡi, hæv ɐ ɡɹˈændsʌn wɪð sˈɪstɪk fɪbɹˈoʊsɪs ænd ɑːɹ ɪnvˈɑːlvd wɪð sˈɛvɹəl tʃˈæɹᵻɾiz ðæt hˈɛlp bˈæɾəl ðə dɪzˈiːz ɪŋklˈuːdɪŋ dˈoʊɚnbˌɛtʃɚ tʃˈɪldɹənz hˈɑːspɪɾəl ænd ðə sˈɪstɪk fɪbɹˈoʊsɪs faʊndˈeɪʃən.
Gilder and his wife, Peggy, have a grandson with cystic fibrosis and are involved with several charities that help battle the disease including Doernbecher Children's Hospital and the Cystic Fibrosis Foundation.