The first incident happened on Wednesday, October 13th around 4:20 a.m.
A 25-year-old Asian woman was walking from the train station at Parsons Boulevard and Hillside Avenue, when she was approached from behind.
Police say the suspect attempted to engage her in a conversation.
When the victim approached 160th Street and Normal Road, he grabbed her from behind, began choking her and forced her to the ground where he reached under her dress and removed her underwear.
The victim began to fight with the suspect and sustained cuts to her knees, hand, and chin and bruising to her chest and arms.
The suspect then ran away southbound on 160th Street.
The second incident happened on Sunday October 17th around 5:10 a.m.
Police say the suspect approached a 28-year-old Asian woman and a 25-year-old Asian woman from behind who were walking together from the train station at Van Wyck and Queens Boulevard.
Again, the suspect attempted to talk to the women first.
Then he grabbed both of them near Pershing Crescent and Manton Street and forced them into a rear yard where he began to fondle them.
He tried to remove one of the women's underwear.
Both women fought with the victim and sustained bruising and abrasions to their arms, legs, chest and hands.
The suspect got away.
The suspect is described as a black male in his mid 20's, about 6' tall, with a thin build and black hair that was in dreads.
Additionally, the suspect was wearing a Brown leather jacket.
Anyone with information in regards to either of these incidents or the identity of the suspect seen in the sketch is asked to call Crime Stoppers at 1 800 577 TIPS (8477).
You can also submit your tips by logging onto the Crime Stoppers website at WWW.NYPDCRIMESTOPPERS.COM or by texting their tips to 274637 (CRIMES) and then entering TIP577.
All calls are strictly confidential.