Prior to his position as Chairman of IETF, he served as Security Area Director of the organization. He also became chairman of the '''Secure MIME (S/MIME) Working Group''' and held the position of co-chair of the '''[[IEEE]] 802.10 Working Group''' and became representative to IEEE '''802 Working Group''' Executive Committee. | Prior to his position as Chairman of IETF, he served as Security Area Director of the organization. He also became chairman of the '''Secure MIME (S/MIME) Working Group''' and held the position of co-chair of the '''[[IEEE]] 802.10 Working Group''' and became representative to IEEE '''802 Working Group''' Executive Committee. |