At Kean Coffee we love our regulars – our guests who come in so frequently and regularly, sometimes spanning many years, that we learn their names and they learn ours, often becoming good friends with our staff members. We value their input and enjoy learning more about them and hearing their stories. Meet Dwayne Carroll, a beloved regular at Kean Newport and Tustin!  My first cup of Martin’s coffee was when the Diedrich Coffee opened at Marguerite Pkwy and Crown Valley in Mission Viejo. I was there on opening day. I remember the first manager – a very nice lady, …