Mary Mackenzie is an American classical mezzo-soprano

Mezzo-soprano

A mezzo-soprano is a type of classical female singing voice whose range lies between the soprano and the contralto singing voices, usually extending from the A below middle C to the A two octaves above...

 and voice teacher

Voice teacher

A voice teacher or singing teacher is a musical instructor who trains adults and children in the art of singing. This generally involves training in breath control and support, proper tone production, pitch control and musical intonation, proper formation of vowels and consonants as well as...

. She earned both bachelor and master of music degrees from the Juilliard School

Juilliard School

The Juilliard School, located at the Lincoln Center for the Performing Arts in New York City, United States, is a performing arts conservatory which was established in 1905...

. In 1955 she won the Walter W. Naumburg Foundation

Walter W. Naumburg Foundation

The Walter W. Naumburg Foundation sponsors competitions and provides awards for young classical musicians in North America. It was founded in 1925 by Walter Wehle Naumburg, a wealthy amateur cellist and son of noted New York music patron and philanthropist Elkan Naumburg. Elkan Naumburg, owner of...

 competition and in 1960 she won the Metropolitan Opera National Council Auditions

Metropolitan Opera National Council Auditions

The Metropolitan Opera National Council Auditions is an annual singing competition sponsored by the Metropolitan Opera. Established in 1954, its purpose is to discover, assist, promote, and develop young opera singers. The competition is held in four stages: Districts, Regional, Semi-Final, and...

. She was also twice awarded the Martha Baird Rockefeller Fund grant and was a recipient of the Sullivan Award

Sullivan Foundation

The Sullivan Foundation is a non-profit organization dedicated to finding, developing, and furthering the careers of promising opera singers within the United States. Founded in 1956 through the bequest of a prominent lawyer, William Matheus Sullivan, the foundation has awarded grants to close to...

. Her performance credits include appearances with The Bach Choir of Bethlehem

The Bach Choir of Bethlehem

The Bach Choir of Bethlehem is the oldest Bach choir in America. They have been a choir for over 110 years and are based in Bethlehem, Pennsylvania, USA....

, the Dallas Opera

Dallas Opera

The Dallas Opera is an opera company located in Dallas, Texas . The company was founded in 1957 as the Dallas Civic Opera by Laurence Kelly and Nicolà Rescigno, both of whom had been active with the Lyric Opera of Chicago, the first as administrator, the second as artistic director.-The company's...

, the Lyric Opera of Chicago

Lyric Opera of Chicago

Lyric Opera of Chicago is one of the leading opera companies in the United States. It was founded in Chicago in 1952, under the name 'Lyric Theatre of Chicago' by Carol Fox, Nicolà Rescigno and Lawrence Kelly, with a season that included Maria Callas's American debut in Norma...

, the Metropolitan Opera

Metropolitan Opera

The Metropolitan Opera is an opera company, located in New York City. Originally founded in 1880, the company gave its first performance on October 22, 1883. The company is operated by the non-profit Metropolitan Opera Association, with Peter Gelb as general manager...

, the NBC Opera Theatre

NBC Opera Theatre

The NBC Opera Theatre was an American opera company operated by the National Broadcasting Company from 1949 to 1964. The company was established specifically for the purpose of filming both established and new operas for television...

, the New Orleans Opera

New Orleans Opera

Opera has long been part of the musical culture of New Orleans, Louisiana. Operas have regularly been performed in the city since the 1790s, and for the majority of the city's history since the early 19th century, New Orleans has had a resident company regularly performing opera in addition to...

, the San Diego Opera

San Diego Opera

The San Diego Opera Association is a professional opera company located in the city of San Diego, California and is a member of OPERA America. It was founded in 1950 to present productions by San Francisco Opera in the San Diego area...

, and the Santa Fe Opera

Santa Fe Opera

The Santa Fe Opera is an American opera company, located north of Santa Fe in the U.S. state of New Mexico, headquartered on a former guest ranch of .-General history:...

 among others. She is currently the head of the vocal pedagogy

Vocal pedagogy

Vocal pedagogy is the study of the art and science of voice instruction. It is used in the teaching of singing and assists in defining what singing is, how singing works, and how proper singing technique is accomplished....

 department at San Diego State University

San Diego State University

San Diego State University , founded in 1897 as San Diego Normal School, is the largest and oldest higher education facility in the greater San Diego area , and is part of the California State University system...

 where she has taught for more than 20 years, and is the administrtive vice-President of the Board of the National Association of Teachers of Singing

National Association of Teachers of Singing

The National Association of Teachers of Singing is a professional organization for singing teachers, and is the largest association of its kind in the world. There are more than 6,500 members mostly from the United States...

(NATS). She previously served as the Vice-President of NATS for five years.