Complex sentence: Slade creates seminars for local, federal and international training groups and is a senior instructor for (ISC)² where he develops courses in information security and quality assurance (QA) for those who seek certification.
Split into simpler sentences: Slade creates seminars for local, federal and international training groups. He is a senior instructor for (ISC)² where he develops courses in information security and quality assurance (QA) for those who seek certification.