Morgan, Lewis & Bockius LLP promoted Megan R. Braden to partner, effective Oct. 1.She represents clients in complex litigation matters, government and regulatory investigations and securities enforcement proceedings.• Chuhak & Tecson P.C. elevated principal David B. Shiner to shareholder and associate Christina M. Mermigas to principal.Shiner has more than two decades of experience counseling clients on income, gift and estate tax matters as well as the implementation of a variety of asset protection trusts …