Levin & Perconti appointed Megan O’Connor as its newest partner. O’Connor joined the Chicago-based law firm in August 2021.• White & Case LLP expanded its global mergers and acquisitions practice with the addition of Shiva K. Sandill as a partner in Chicago.Sandill advises corporate and private equity clients on a full range of legal needs, including acquisitions and investments, dispositions and corporate governance. He also provides counsel to venture capital funds, strategic and financial …