Who directed 'Avengers: Endgame' (2019)?

Who directed 'Lady Bird' (2017)? Who directed 'Nomadland' (2020)? Who directed 'The Power of the Dog' (2021)? Who directed 'Everything Everywhere All at Once'? Who directed the first 'Iron Man' film (2008)? Who directed 'The Avengers' (2012)? Who directed 'Guardians of the Galaxy' (2014)? Who directed 'Thor: Ragnarok' (2017)?