Kroger Co. /zigman2/quotes/206215053/composite KR +3.21% has announced the addition of Elaine Chao to the company's board. Chao served as secretary of transportation under President Trump. She handed in her letter of resignation the day after the January 6 insurrection. She was also secretary of labor during the George W. Bush administration and is spouse to Senate Minority Leader Mitch McConnell. "Kroger's proactive board refreshment strategy ensures the organization benefits from the unique expertise and perspective of a diverse board of directors," Rodney McMullen, Kroger's chief executive, said in a statement. Kroger stock has rallied 32.4% for the year to date while the S&P 500 index /zigman2/quotes/210599714/realtime SPX +1.86% is up 17.7% for the period.