Complex sentence: In addition to his rigorous academic schedule, Howard was working as an entrepreneur with various nightlife and hospitality groups throughout Manhattan and the Hampton'ss such as EMM Group and Dual Group.Howard has worked through these groups as an exclusive and independent concierge service to clients.
Split into simpler sentences: In addition to his rigorous academic schedule, Howard is working as an entrepreneur with various nightlife and hospitality groups throughout Manhattan and the Hamptons such as EMM Group and Dual Group. Howard works through these groups as an exclusive and independent concierge service to clients.