Isabel has been working at MKA for the last 15 years, and before that, she spent three years at a boarding school in CT. At MKA, she has taught almost every level of Spanish, including AP. She also advises the Model UN club as well as coaches Middle School Field Hockey and Middle School Softball. When not at MKA, she likes to spend time with her husband, Mike Alexander, and their daughter, Anabel.

Prior to coming to MKA, Diana worked at Northwestern Regional High School in Winsted, CT for seven years where she also coached field hockey, basketball, and track and field at both the middle and high school level. Her family then moved to New Jersey where Diana taught math to third through ninth graders at the Tuxedo Park School. Diana enjoys coaching the middle school field hockey, basketball, and track and field teams at MKA. While not at MKA, Diana enjoys reading by the pool, going for long walks, and spending time with her husband and two daughters.