Galarza, a native of Guayaquil, Ecuador, who will be a general-assignment reporter, is moving from Philadelphia's Univision 65.
Mendoza, who will cover South Jersey for the station's newscast, also is from Ecuador. He's moving from WUNI, a Univision-affiliated station in Boston, where he was a multimedia journalist and fill-in anchor, and is living in Williamstown.
"Alexandra and Brian bring a wealth of knowledge and expertise to Telemundo62," Damaris Bonilla, assistant news director for Telemundo62, said in a prepared statement. "We look forward to having them on our team."