A recipient of a Rotary Foundation Fellowship, he also studied in Paris at the Sorbonne and during this time was a finalist at the ARD International Music Competition.
Hancock studied organ with E. William Doty, Robert Baker, Jean Langlais, and Marie-Claire Alain, and improvisation with Nadia Boulanger and Searle Wright (1918–2004).
A Fellow of the American Guild of Organists, Hancock was a member of its National Council and was a founder and past president of the Association of Anglican Musicians.
In June 2010, Hancock was presented the International Performer of the Year Award by the New York City Chapter of the American Guild of Organists.
[3] A featured recitalist and lecturer at numerous regional conventions of the American Guild of Organists and at national conventions of the Guild in Philadelphia, Cleveland, Boston, Washington DC, Detroit, Houston and New York City, Hancock also represented the AGO as recitalist at the Centenary Anniversary of the Royal College of Organists in London.