Luz also played for the Washington Mystics in the Women's National Basketball Association (WNBA) in 2001–2003, and in the Spanish Liga Femenina for Zaragoza (2003–2004), Barcelona (2004–2006), Rivas (2006–2007), Cadi La Seu (2007–2008), and Hondarribia-Irun (2008–2010).

She finished her career in one final season with the Brazilian team Americana, in São Paulo State, announcing her retirement at the end of February 2011.

Since retiring, Helen has become a commentator on SporTV, opened (with her sisters) a social project for teaching basketball to children in Louveira, and begun a regular blog.

[1] In addition, she told interviewers that she hoped to become a mother, and on November 21, 2012, she and her husband Octavio welcomed into the world their son Pedro Lafiaccola Luz.

She was a fan favorite for her enthusiasm and intelligent, unselfish play; the moment she stood up to approach the scorer's table, the MCI Center would resound with shouts of "Luz!"