She played professionally in the WNBA with the Los Angeles Sparks, New York Liberty and the Sacramento Monarchs.

Willis averaged 9.7 points per game while helping the team to a 7–0 record, resulting in a gold medal at the event.

[2] Willis' efficiency showed in Turkey, when it was noted that she was a leading scorer and the top 3-point shooter but didn't tally as many minutes.

Willis' career came to an end when she tore her ACL, MCL, and LCL the same day she received a contract to go back to Kayseri, Turkey where she once played.

[3] Willis is currently living in Laurel, Maryland, where she has decided to put collegiate coach aside and revamp her player development business named Think.