Explanation:

- Kristalina Georgieva:

- Georgieva was appointed as the Managing Director of the International Monetary Fund in October 2019.

- She hails from Bulgaria and made history as the first person from an emerging market economy to lead the institution.

- Rodrigo Rato:

- Rato served as the Managing Director of the IMF from 2004 to 2007.

- His leadership occurred before the global financial crisis.

- Christine Lagarde:

- Lagarde was the IMF's Managing Director prior to Georgieva, serving from 2011 until 2019.

- She is currently the President of the European Central Bank.

- Dominique Strauss-Kahn:

- He served as IMF Managing Director from 2007 until his resignation in 2011.

- His tenure ended due to a personal scandal.