Alexander Mark Laskaris (born 1967) is an American diplomat who has served as the United States ambassador to Chad since August 2022.

He earned a Bachelor of Arts in international politics from the Walsh School of Foreign Service at Georgetown University and a Master of Strategic Studies from the United States Army War College.

[2] Before joining the Foreign Service, Laskaris was an English and math teacher at St. Boniface High School in Galeshewe, Northern Cape in South Africa.

[3] Laskaris joined the United States Foreign Service in 1991 and was first posted to Monrovia, Liberia as vice-consul, during the ongoing Civil War.

[5] Laskaris returned to Africa in 2003 to be deputy chief of mission at the embassy in Bujumbura, Burundi and in 2006, took up the same post in Pristina, Kosovo, serving there during the international talks led by UN envoy Martti Ahtisaari.