CareOne LLC is a network of over 70 post-acute nursing and assisted living facilities primarily located in the New England and Mid-Atlantic regions of the United States. Daniel E. Straus is the founder, Chairman and CEO of the organization. Founder Daniel E. Straus was first involved in the healthcare industry through leading Multicare Companies, Inc., a group of assisted living facilities in the New Jersey. Multicare was purchased by Genesis Health Ventures, Inc. in 1997 in which Daniel and his brother Moshael owned 43% of the company. Daniel founded CareOne LLC in 1999.