A gay couple, Dr. David Scott Herszenson and Alan Emanuel Pierson are set to commit themselves to each other at the Columbus Park Refectory on Sunday morning. The ceremony will be conducted by Rabbi Julie Pelc Adler.

Dr. Herszenson works as a family doctor at the Montefiore Medical Center in the Bronx. He’s a graduate student at Hunter College where he’s reading public health part time.

Dr. David Scott Herszenson and Alan Emanuel Pierson are to affirm their partnership in Chicago Sunday morning at the Columbus Park Refectory, an event space in the Chicago Park District. Rabbi Julie Pelc Adler is to lead the commitment ceremony. He was awarded with a medical degree from the University of Wisconsin where he also had his college degree with a distinction.

Herszenson’s parents are Dr. Sidney Herszenson, a private skin disease expert and Suzanne Herszenson who works at a manager in her husband’s clinic in her spare time. They are both from Milwaukee.

Pierson, 36 works as and art director and conductor of a new music group, Alarm Will Sound. He’s also the main conductor of Crash Ensemble, another new group located in Dublin. He graduated from MIT with a doctorate degree in music and arts. His parents are Edward Pierson and Elaine Pierson, both hailing from Chicago. Edward Pierson teaches engineering at Purdue University located in Hammond Indiana.