Our Team


Our Firm

A boutique law firm in historic Concord, our firm works exclusively with clients in the nonprofit sector. We understand nonprofit organizations and bring a depth of knowledge in legal practice areas meeting the everyday needs of the clients we serve including: start-up counsel to emerging nonprofits, outsourced ‘in-house’ counsel services, nonprofit mergers, dissolutions and acquisitions, state and federal regulatory representation, and probate court actions on behalf of charitable fiduciaries and beneficiaries.


Get in touch

Finding the right attorney to represent you is a choice not to be taken lightly. That’s why we offer free consultations to walk you through your needs, the scope of your goals, and your budget.





Elizabeth S. Reinhardt 


Liz Reinhardt began her career as an Assistant Attorney General in the Division of Public Charities. She has worked with nonprofit organizations, including nonprofit corporations, charitable trusts, and religious organizations, as a lawyer, regulator, advocate, consultant, educator and board member.  Her practice includes business, consumer, contract, employment, litigation, nonprofit mergers, dissolutions and acquisitions. She serves a number of her nonprofit clients as ‘out sourced’ in-house counsel.  A frequent public speaker, she consults in areas including the roles and responsibilities of board members, governance best practices, conflict of interest avoidance, executive compensation, fundraising and regulatory compliance. 


Juris Doctor

English and American Studies
Honors:  American Studies Oral Comprehensive Examination  

Bar Admissions

• Member, Massachusetts Bar, United States District Court


 “Guide for Board Members, Regulators and Advocates” (2000)
Kellogg Foundation Healthcare Conversions Information Project
“Getting Going Getting Organized:  Threshold Considerations and a Road Map for Start-Up Nonprofits,” Chapter 1, MCLE Nonprofit Law Conference 2001(2001-04.06-CM)

Past & Present Affiliations

  • MNN Board of Directors, At-Large Seat

  • Boston Bar Association Exempt Organizations Steering Committee Member

  • Director & President, Acton Boxborough United Way

  • Member, Attorney General’s Division of Public Charities Advisory Committee

  • Coach, Massachusetts Bar Association Mock Trial program

  • Instructor, Director Business School

  • Member, North Middlesex Bar Association

Additional Work Experience 

  • Panel Attorney: Volunteer Lawyers Project

  • Part-time Professor: Bunker Hill Community College

  • Dean’s Assistant and Publications Coordinator: B.U. School of Education

  • Director, P.R. & Marketing: Human Service Yellow Pages

  • Reporter: The Middlesex News

Erin IMG_8244.jpg


Erin T. Cashman


Attorney Cashman is of counsel to the Firm. She has worked in the areas of trusts and estates, employment law, insurance litigation, business formation, and corporate law. Attorney Cashman works with nonprofit organizations in all of the above practice areas. In her probate and fiduciary litigation practice, she advises clients regarding trusts and bequests, and has successfully represented charitable beneficiaries in Probate Court proceedings involving will and trust interpretation issues, litigation regarding the removal of executors and trustees, and in the modification, termination, and enforcement of charitable trusts. In employment matters, she specializes in drafting handbooks, employment training, including sexual harassment training, advising clients on wage and hour issues, worker classifications, hirings, terminations, and discrimination claims. She also enjoys working with clients on the corporate side, in both the formation and dissolution of nonprofit organizations.

Attorney Cashman received her  B.A. from Bates College, cum laude, phi beta kappa, with honors in English, and her law degree from Boston College Law School.  Her professional experience includes tenure at the Boston law firm of Morrison, Mahoney and Miller as an associate, and as an associate at Catanzaro & Effron, where she specialized in estate planning and probate.  She is a member of the Massachusetts Bar Association and Phi Beta Kappa.  



• Constitutional Conservation, Member

B.A., cum laude

Phi Beta Kappa

Bar Admissions

Member, Massachusetts Bar

Activities & Affiliations

• Massachusetts Bar Association, Member

Connie IMG_8786.jpg


Constance Castro


Attorney Castro has been Of Counsel with the Law Office of Elizabeth S. Reinhardt since 2015.  Attorney Castro handles matters including nonprofit entity formation, contracts (such as IT service agreements, data-sharing agreements, and independent contractor agreements), state and federal regulatory compliance, lobbying compliance, website privacy policies, conflict of interest analyses, ethics advice, deviation petitions, and commercial tenancies. 

Attorney Castro has worked in both the public and private sectors in areas such as data security law (including the General Data Protection Regulation - GDPR), health law (including HIPAA compliance), trademark and copyright law, administrative law, immigration law, and wills and trusts. As a litigation attorney with the Commonwealth of Massachusetts Department of Transitional Assistance, she represented the Department in courts across the state, from Pittsfield to Barnstable. In her private practice, she has enjoyed working with a variety of clients including physicians engaged in “Direct Primary Care” medical practices and experts at the apex of their professional fields immigrating to the United States. 

Attorney Castro graduated from Union College in Schenectady, NY, with a Bachelor of Arts degree in Philosophy. She attended New England School of Law, where she was on the Dean’s List and earned an American Jurisprudence Award in Family Law. In 1994, she was admitted to the Massachusetts bar, followed by her admission to the First Circuit District Court and First Circuit Court of Appeals in 1995. She is a member of the Massachusetts Bar Association.



Dean’s List

American Jurisprudence Award, Family Law


B.A., Philosophy

Bar Admissions

Member, Massachusetts Bar, First Circuit District Court, First Circuit Court of Appeals

Activities & Affiliations

  • Massachusetts Bar Association, Member

  • Notary Public



Machiko Sano Hewitt


Machiko Sano Hewitt is of counsel to the Firm. She handles formation of nonprofit entities and corporate governance matters including policies such as Conflict of Interest, Document Retention and Whistleblower Policies and MA data security policy and WISP (written information security program) under General Laws of Massachusetts Chapter 93H and 201 CMR 17.00.

Prior to joining the Firm, Attorney Hewitt was Nonprofit Assistance Director at Lawyers Clearinghouse for 15 years. In addition to connecting nonprofits which are unable to afford legal fees with pro bono lawyers and firms and giving counsel to nonprofits, Attorney Hewitt designed and organized educational programs and clinics for nonprofit organizations serving more than three hundred organizations a year, and handled a wide range of legal areas that affect nonprofit organizations.

Attorney Hewitt was a recipient of a prestigious Japanese government scholarship to study in the U.S. while at Hokkaido University School of Law. After graduation, she was selected to represent Japan for the North Pacific Rim Seminar organized by Tufts University Fletcher School of Law and Diplomacy and Harvard University involving countries in the region. She is also a graduate of Northeastern University School of Law. Before she attended law school in the U.S., she worked as a contract manager at an international pharmaco-economics company which specialized in cost-benefit analyses on new drugs on behalf of pharmaceutical companies seeking European and Canadian governments’ approval for their national healthcare systems.



Juris Doctor


B.A. in History
Bachelor of Law  

Bar Admissions

Member, Massachusetts Bar

Additional Work Experience

  • Nonprofit Assistance Director:  Lawyers Clearinghouse

  • Staff Attorney:  Volunteer Lawyers for the Arts of Massachusetts

  • Contract Manager: Caro Research, Inc.

  • Lecturer/Coordinator:  Japanese Language Program-Tufts University



Cecile M. Hanafin


Cecile Hanafin is a graduate of Skidmore College. She worked for many years as an administrative assistant in the heath care and human resource fields before receiving her Certificate in Paralegal Studies from Middlesex Community College.  In the spring of 2018, after working several years as a Paralegal at a family law firm in Boston, she joined the Law Offices of Elizabeth S. Reinhardt as Paralegal/Office Manager.



B.A., Phi Beta Kappa


Paralegal Certificate