George Plater, born into a prominent Maryland family, graduated from the College of William and Mary and studied law in England. He spent several years in high-finance before transitioning to public service. Plater held various positions in Maryland's colonial government, including roles in the Lower House of Assembly, Governor's Council, and as a naval officer. He played a significant role in drafting Maryland's first constitution and served as a delegate to the Continental Congress. Plater's leadership culminated in his election as Governor of Maryland.