Sidley Austin LLP announced that Yvette Ostolaza has been elected to chair the firm’s Management Committee. She will succeed Larry A. Barden, who has served as chair since 2014 and is slated to step down from the position next year when his term concludes.• The United States Holocaust Memorial Museum announced that Rebekah H. Parker Wilansky, partner at Novack & Macey LLP will join the Chicago Lawyers Committee as a co-chair.Wilansky has been involved in the museum’s Chicago Lawyers Committee and …