Chambers 2017

AV Martindale Hubell

Super Lawyers



“You did a fantastic job and I think earned the trust of my team with just one presentation!”
~ Vice President, General Counsel, Chief Compliance Officer and Secretary Manufacturing Corporation

“[I] deeply appreciate your wisdom and support throughout this challenging period.”
~ Head of School, Independent School

"Your help has been invaluable throughout the process, both in vetting the documents and as a sounding board in helping me think through what was most important to me and tactics for negotiating for it."
~ Head of School, Independent School


William E. Hannum III

Managing Partner

William Hannum is regarded as not only “technically excellent” but also “responsive, easy to work with and an excellent listener.” ~ Chambers USA

Will is Managing Partner of Schwartz Hannum PC. Prior to joining the Firm, Will was an associate in the Labor and Employment Law Section in the New York office of Morgan, Lewis & Bockius LLP.

Will represents employers in the full spectrum of labor and employment law matters, and he represents independent schools, colleges and universities in a broad range of labor, employment, and education matters.  Will also regularly counsels non-profit boards on governance issues, acting in the role of general counsel, and also leading board orientations and governance retreats.

In the area of labor and employment law, Will handles the full range of employment litigation, government investigations, labor relations and collective bargaining, employment counseling, and workplace investigations, as well as conducting workplace training on a broad range of labor and employment law topics. He has represented union and non-union employers (including for-profit and non-profit organizations) throughout the United States in a variety of industries, including communications, construction, education, entertainment, financial services, healthcare, insurance, retail, staffing and transportation.

In the area of education law, Will handles the full range of education law issues, including a full range of education litigation, government investigations, labor matters, education and employment counseling, and education investigations (including in particular Title IX investigations and investigations responding to reports of sexual abuse).  Will also helps education clients with the full range of student and employee matters, risk management, compliance, and documentation ranging from employment contracts to handbooks to bullying prevention and intervention plans.  Further, Will regularly provides training to educational institutions, addressing school governance with school boards, leading orientation for faculty and staff on appropriate boundaries, and educating students on topics such as bullying, cyber-bullying, and sexting.

Since 2012, Will has been recognized by Chambers USA as a leading attorney in Labor and Employment Law.  Chambers publishes guides worldwide on law firms and lawyers and is a highly recognized leader in its field. In 2014, Chambers and Partners praised Will for his client service, and regarded him as “very thoughtful, very responsive and thorough.” He has comprehensive expertise in the labor and employment field and counts a number of educational establishments among his client base. In recent years, Chambers’ sources described Will as “adept at handling high-profile employment matters, and is praised for his ability to work with all parties to find the best solution.”  Clients often comment that he “is respectful and responsive, and people respond to that.”  Will is not only “technically excellent” but also “responsive, easy to work with and an excellent listener.”

Will is AV®Preeminent™ Rated by Martindale-Hubbell Peer Review Ratings.  Will holds a 5.0 out of 5.0 rating.

In 2015 BTI Consulting recognized Will as a “BTI Client Service All-Star,” one of 29 labor and employment lawyers in the U.S. to receive such recognition. In 2016, he was recognized as a “BTI Client Service All-Star MVP.”

Will has also been selected as a Massachusetts Super Lawyer® as a top Labor and Employment attorney in Massachusetts every year since 2004. These listings have been published in Boston Magazine, in New England Super Lawyers, and in Super Lawyers, Corporate Counsel Edition.

Will is currently serving as senior co-chair of the Labor & Employment Education Steering Committee for the Boston Bar Association.  Will is also a frequent speaker and author on labor, employment and education law, including presentations at the American Employment Law Council, bar association and MCLE programs, Merrimack Valley Chamber of Commerce, Nantucket Island Chamber of Commerce, National Association of Independent Schools (NAIS), and National Business Officers Association (NBOA), and he has been a guest lecturer at Harvard Law School.


It’s Time For More Effective Workplace Training

SHPC Success Story: SJC Allows Dismissal Of Former Employee’s Claims To Stand

2016 Is Here! Time To Review And Update Your Employment Policies

Non-Discrimination Statements: In Sync And In Line With Your School's Mission

Who Makes The Call And When: Mandated Reporter Laws From State To State

Artificial Turf: Fertile Ground For Litigation?

Massachusetts Schools: Employee And Point Of Contact Fingerprinting Has Begun

Union Rights For Student Athletes? NLRB Decision Creates A Whole New Ball Game For Colleges And Universities

The Attorney-Client Privilege And Workplace Investigations

Change To Federal Rule Impacts Subpoenas And Litigation Strategy


John D. and Jane D. v. Private Club

John D. v. Manufacturer

Hospital v. 1199SEIU United Healthcare Workers East

Hospital v. 1199SEIU United Healthcare Workers East

Dolan v. St. Louis and Thorgerson

Dolan vs. SunGard Securities Finance LLC

Dolan vs. SunGard Securities Finance LLC

Keystone Dental, Inc. v. Netter

New England Health Care Employees Union, District 1199, SEIU v. Long Ridge of Stamford

Lucciano v. TD Banknorth Insurance Agency, Inc.


CUPA HR Webinar “How to Navigate State and Local Employment Laws for Remote Faculty”

VAIS Business Officers Institute

Annual Seminar: Hot Topics In Labor And Employment Law

CUPA HR Webinar "Facing the Challenges of DOE's Recent Title IX ‘Interim Guidance"

VAIS Legal Issues Institute: Examining Risk Management Strategies and Best Practices Regarding Student Issues

2017 NAIS Annual Conference

2017 NBOA Annual Meeting

Risk Management Roundtable: Hot Topics In Labor & Employment Developments

Drafting And Enforcing An Ideal Enrollment Agreement

NAIS-TABS Legal Symposium

William E. Hannum III


T: 978-623-0900

F: 978-623-0908




  • University of Virginia School of Law (1992)
  • Rutgers University, M.A. English (1989)
  • Amherst College, magna cum laude (1986)
  • Deerfield Academy, cum laude (1982)

Awards & Accolades

  • Earle K. Shawe Labor Relations Award (U.Va.)
  • Marion Johnson Fellowship for Academic Excellence (Rutgers)

Distinctions and Certifications

  • Recognized as a BTI Client Service All-Star (2015)
  • Recognized as a BTI Client Service All-Star MVP (2016)
  • Recognized by Chambers USA as a leading attorney in Labor and Employment Law (2012-2017)
  • AV® Preeminent Rating 5.0 out of 5.0 (Martindale-Hubbell Peer Review Ratings)
  • Selected as a Massachusetts Super Lawyer and top Labor and Employment attorney in Massachusetts each year since 2004.

Bar Admissions

New Hampshire
New York

Supreme Court of the United States

U.S. Courts of Appeals

  • First Circuit
  • Ninth Circuit

U.S. District Courts

  • Connecticut
  • Colorado
  • Massachusetts
  • New Hampshire
  • Eastern District of New York
  • Southern District of New York

Professional Affiliations

  • American Bar Association
  • American Employment Law Council
  • Boston Bar Association
    • Labor & Employment Section, Co-Chair
  • Boston Bar Foundation
    • John & Abigail Adams Benefit, Co-Chair
  • Massachusetts Bar Association
  • The National Association of Independent Schools (NAIS)
  • The National Business Officers Association (NBOA)
  • New Hampshire Bar Association
  • New York State Bar Association
  • Society for Human Resources Management (SHRM)


  • Nantucket, MA