Tegan is a Partner and Chief Product Officer at Coremont, having originally joined Brevan Howard in 2009.  From 2011 she worked as a Quantitative Analyst until she joined Coremont at its inception in 2018 as Product Manager. Tegan was subsequently appointed Head of Product in October 2020 and became a Partner in February 2021. Tegan holds a PhD in Mathematics from the University of Sydney, Australia, and a Bachelor of Mathematics (Advanced) from the University of Wollongong, Australia.​