生于新西兰。初次赴美，是赴纽约大学Brook Stony分校攻读硕士及博士课程，师从于Samuel Baron。在此期间，又同时向Tommas Nyfenger求教，并赢得了无数赛事的胜利。之后，23岁的Alexa获得了新西兰交响乐团首席长笛的位置。在家乡的11年间，她被新西兰媒体称为"国宝"，与此同时，她定期赴美进行独奏演出，并于1996年获得Fullbright奖。1998年被聘为美国科罗拉多大学博尔德分校的长笛副教授后，频频举行各种类型的音乐会、大师班，足迹遍及英国、德国、澳大利亚、墨西哥、斯洛文尼亚、加拿大、韩国及土尔其。曾与美国阿肯色交响乐团和长岛交响乐团合作演出，2003年7月，她的第12张Koch品牌专辑出版发行。2004年1月，她又录制了一张协奏曲唱片。

2003年，Alexa担任了第31届美国国家长笛协会会议执行主席。

A native of New Zealand，Alexa's first visit to the Us was for graduate study at the State University of New York at Stony Brook studing with Bsamuel Baron and also independently with Thomas Nyfenger,gaining a Masters and Doctorate degrees and numerous competition successes.Alexa then won principal flute of the New Zealand Symphony Orchestra at the age 23,and returned home for 11 years.Described as "A national treasure" in New Zealand, she made regular tours to the Us for solo engagements , and in 1996, Fullbright Award.Since being appinted Associate Professor of Flute at University of Colorado at Boulder(1998) she has presentd recitals,concertos and master classes in England, Germany, Australia, New Zealand, Slovenia, Mexico, Canada, Korea, and Turkey.She has performed with the South Arkansas Symphony Orchestra and Long Island Philharmonic.Her 12th solo compact disc on Koch was released in July 2003 and she recorded another concerto disc in January of 2003.

She was program chair for the 31th National Flute Association Convention in 2003. She plays a silver flute made for her by Brannen Brothers of Boston with head joints by Sanford Drelinger of White Pains, New York.