wˈɜːkɪŋ fˈɜːst fɔːɹ kˈɑːndə pˈɑːɹtnɚʃˌɪp fɹʌm nˈaɪntiːnhˈʌndɹɪd ˈeɪɾi wˈʌn tə nˈaɪntiːnhˈʌndɹɪd ˈeɪɾi fˈaɪv, ɡˈɛdz spˈɛnt ðə bˈʌlk ʌv hɪz kɚɹˈɪɹ wɪð mɔnsˈæntoʊ ɪn sˈoʊdə spɹˈɪŋz æz ɐn ɛnvˌaɪɹənmˈɛntəl ˌɛndʒɪnˈɪɹ fɹʌm nˈaɪntiːnhˈʌndɹɪd ˈeɪɾi fˈaɪv ʌntˈɪl tˈuː θˈaʊzənd ɪlˈɛvən, tˈeɪkɪŋ ɐ jˈɪɹlˈɔŋ lˈiːv ʌv ˈæbsəns tə sˈɜːv ɔnðɪ ˈaɪdəhˌoʊ stˈeɪt tˈæks kəmˈɪʃən.
Working first for Conda Partnership from 1981 to 1985, Geddes spent the bulk of his career with Monsanto in Soda Springs as an environmental engineer from 1985 until 2011, taking a year-long leave of absence to serve on the Idaho State Tax Commission.