ˌɪnfluːˈɛnʃəl ɪn hɪz ˈɪndʌstɹi, mˈɑːɹk hɐz spˈoʊkən æɾə vɚɹˈaɪəɾi ʌv kˈɑːnfɹənsᵻz ɪŋklˈuːdɪŋ ˈɪsə lˌɑːs ˈændʒəlɪs ænd ˈɪnfoʊ sˈɛk tˈuː θˈaʊzənd ɪlˈɛvən ænd hˈæzbiːn fˈiːtʃɚd ɪn sˈɛvɹəl pˌʌblɪkˈeɪʃənz ɪŋklˈuːdɪŋ sˌiːˌɛnˈɛn, fˈɑːks nˈuːz, sᵻkjˈʊɹɹᵻɾi wˈiːk, ˌɛssˈiː mˌæɡɐzˈiːn, pˌiːsˈiː wˈɜːld, ænd kəmpjˈuːɾɚ wˈɜːld.
Influential in his industry, Marc has spoken at a variety of conferences (including ISSA Los Angeles and InfoSec 2011) and has been featured in several publications including CNN, Fox News, Security Week, SC Magazine, PC World, and Computer World.