Complex sentence: On weekends throughout 23 subsequent years, Helminiak ministered in local parishes in Baltimore, Boston, San Antonio, and Austin and, having come out as gay in 1976, also served in those areas and nationally as chaplain to DignityUSA, the LGBT Catholic support network.
Split into simpler sentences: On weekends throughout the 23 subsequent years, Helminiak ministered in local parishes in Baltimore, Boston, San Antonio and Austin. He came out as gay in 1976, and served in those areas and nationally as a chaplain to DignityUSA, the LGBT Catholic support network.