Brennan was born March 7th, 1952 in Orillia, ON. Brennan paints en plein air in the open fields and forests around Fenelon Falls and the Kawartha Lakes region.
For decades, Brennan has explored the theme of ‘being one with nature’. A passionate outdoorsman, Brennan’s love for nature has permeated his painting and drawing practice since the very beginning. Brennan’s oil paintings, portraits, figurative drawings and pastels have been exhibited and collected across North America since 1975.