A former track and field star who finished as high as fifth in the heptathlon at the South American championships, Katia is a veteran of three World Cups and two Olympic games. She began her international career as a key member of the Brazilian team in the 1995 Women's World Cup in Sweden, then played all five of her country's matches in the Atlanta Olympics. Her outstanding play and two goals at the 1999 Women’s World Cup drew rave reviews and in 2000 she finished fourth in scoring at the Sydney Olympics.
Katia spent five seasons in the Brazilian Women’s League and ranked as the No.1 goal scorer in each of them. With the launch of the WUSA in 2001, Katia was given the opportunity to take her game to an even higher level and she signed with the San Jose CyberRays. That first season she played well and scored seven goals. In 2002 she improved to score 15 goals. Her goals plus her five assists also made her the leading overall point scorer with 35.
Kátia has been a part of three World Cup squads. She was part of the Brazilian squad finished in third place at the 1999 FIFA Women's World Cup, as well as the quarter-finalist's squad from 2003, and the squad that finished in second place in China.