Paula A. Aiello of Shrewsbury and Thomas J. Wickstrom of Whitinsville have been elected to Worcester-based Commonwealth National Bank's board of directors.

Both have been members of CNB’s advisory board; Wickstrom served as its first chairman from June 2007 to present.

Aiello is chief financial officer and vice president of administration for Youth Opportunities Upheld of Worcester. She serves on the audit, finance and investment committees for the organization.

Thomas J. Wickstrom is a partner in the law firm of Tashjian, Simsarian, & Wickstrom in Worcester, Whitinsville and Grafton.