ing ▁Dean ▁and ▁Deput y ▁Dean ▁( Res earch ) ▁of ▁Engineering ▁and ▁a ▁member ▁of ▁the ▁University ▁Council , ▁Academ ic ▁Board , ▁and ▁Board ▁of ▁Research . ▁ ▁Gu ▁is ▁an ▁authority ▁in ▁the ▁fields ▁of ▁nan oph ot on ics , ▁nan of ab ric ation , ▁bi oph ot on ics ▁and ▁multi - dimensional ▁optical ▁data ▁storage ▁with ▁intern ation ally ▁ren owned ▁expert ise ▁in ▁three - dimensional ▁optical ▁imag ing ▁theory . ▁He ▁is ▁the ▁sole ▁author ▁of ▁two ▁standard ▁reference ▁books , ▁Princi ples ▁of ▁Three - Dim ensional ▁Im aging ▁in ▁Conf ocal ▁Micro scop es ▁( World ▁Scient ific , ▁ 1 9 9 6 ), ▁and ▁Advanced ▁Opt ical ▁Im aging ▁Theory ▁( Spring er - Verlag , ▁ 2 0 0 0 ). ▁ ▁He ▁is ▁also ▁the ▁first ▁author ▁of ▁Fem to second ▁Bi oph ot on ics : ▁Core ▁Te chni ques ▁and ▁App lications ,( C amb ridge ▁University ▁Press , ▁ 2 0 1 0 ). ▁and ▁Micro scop ic ▁Im aging ▁through ▁T issue - like ▁Media : ▁Monte ▁Carlo ▁Mod elling ▁and ▁App lications ▁ ▁( Spring er - Verlag , ▁ 2 0 1 5 ). ▁He ▁has ▁over ▁ 4 9 0 ▁papers ▁in ▁intern ation ally ▁ref ere ed ▁journ als ▁including ▁Nature , ▁Science , ▁Nature ▁Phot on ics , ▁Nature ▁Communic ations ▁and ▁P N AS . ▁He ▁is ▁a ▁member ▁of ▁the ▁Editor ial ▁Bo ards ▁of ▁ 1