who is the latter?
She is a Swedish-Palestinian record producer and songwriter and former member of the songwriting/production houses Cheiron Studios and Maratone.
Rami Yacoub
 is a Swedish-Palestinian record producer and songwriter and former member of the songwriting/production houses Cheiron Studios and Maratone. 
who wrote the song what makes you beautiful by one direction Savan Kotecha and producer Rami Yacoub
wiki:2663778
Rami Yacoub [SEP] Introduction
Rami Yacoub (born 17 January 1975), also known by the mononym Rami, is a Swedish-Palestinian record producer and songwriter and former member of the songwriting/production houses Cheiron Studios and Maratone. Yacoub collaborated extensively with Max Martin in the early part of his career. He has worked with acts such as Lady Gaga, Ariana Grande, Selena Gomez, Britney Spears, Nicki Minaj, Madonna, Bon Jovi, Backstreet Boys, Demi Lovato, One Direction, Westlife, The Saturdays, P!nk, Celine Dion, Enrique Iglesias, Tiësto, Avicii, NSYNC, 5 Seconds of Summer and Weezer.