Susan E. Piette is a Principal of the firm. Susan concentrates her practice in the areas of estate planning, family wealth management and business succession planning by focusing on client values, inter-family dynamics, and the type of legacy they want to leave behind.

Every family is different, and Susan is committed to providing clients with unique estate planning services that meet their specific needs. She has guided hundreds of clients in creating customized estate plans with asset protection and complex distribution patterns. Her focus also includes a special emphasis on the senior population and those individuals with long term care Medicaid needs where she works diligently in protecting their assets from long-term care costs by qualifying them for Medical Assistance (Medicaid) long-term care benefits.

Dedicated to taking care of you and your loved ones to provide a comprehensive plan and peace of mind for you moving forward, Susan is passionate about her ability to help clients be protected and prepared. She is very compassionate and sensitive to the needs of her clients, regularly meeting with her elderly clients at their home or in their nursing home residence. Susan is known for thoroughly and sensitively counseling seniors and their families on frequently asked elder law questions such as “What happens if I outlive my money?”, “Can ‘they’ take my house?”, “How can I protect and preserve my assets for my children?”

In addition to her estates practice, Susan has extensive expertise in municipal law, land use, zoning and real estate matters, and she utilizes her background in contracts, regulations, compliance, negotiations and committee and board interaction to assist her clients in analyzing and implementing their estate and long term care plans.  Susan received her undergraduate and law degrees from the University of Illinois.

Christen G. Pionzio is a Principal of the firm and a member of the Real Estate and Zoning Department at Hamburg, Rubin, Mullin, Maxwell & Lupin. For the last 23 years, Christen has handled significant real estate, zoning, municipal, and land use matters on behalf of large corporate clients and private individuals. With respect to real estate transactions, Christen has facilitated land acquisition and development for commercial landowners, developers and private citizens by way of local, state and federal approvals and sophisticated financing. In addition, she also represents buyers and sellers of commercial real estate, providing cost-saving strategies and resolving obstacles in ways to keep the deal together.

Christen effectively obtains zoning relief and land use approvals for private developers to enable them to fully utilize and develop their property. She understands the process and constantly looks for opportunities to save her clients time and money. Christen is not only effective but efficient, and she thrives when handling highly controversial and publicized land use matters. Christen represents townships to protect their interests in matters, and advises zoning hearing board members as to how to apply the law to the zoning cases before them. She serves as Solicitor to Hatfield Township and five local Zoning Hearing Boards in Bucks and Montgomery Counties. She frequently serves as conflict counsel for various solicitor colleagues. Christen served as solicitor for the Office of the Montgomery County Prothonotary for two years and was appointed Master by the Court of Common Pleas in two partition actions.

Serving both sides of the table gives Christen the advantage of having the other’s perspective. She is a practical lawyer who can anticipate issues well in advance and solve problems before they arise. Christen is known for her knowledge of the law, her ability to form personal relationships, her sense of humor, charismatic energy, being well prepared and thinking fast on her feet. She invests herself in her clients’ problems and cares how they affect them from a business perspective and personally. Christen is tenacious and pays attention to detail while keeping her clients and consultant team focused on the ultimate goal.

Christen served on the Montgomery Bar Association’s Executive Committee for the year 2010 and served on its Board of Directors from 2010-2013. A member of the Real Estate/Land Use Committee and the Municipal Law Committee of the Montgomery Bar Association, she is also a member of the Pennsylvania and Bucks County Bar Associations. Christen is a founding member of the Irish-American Society and serves on its Board of Directors as Vice President. A graduate with honors from the University of Scranton (B.S. 1991), Christen received her law degree from Widener University School of Law (J.D. 1994).

Mr. Rafferty re-joined the firm in an Of Counsel capacity after serving 4 terms as served as the Pennsylvania State Senator for the 44th District. Mr. Rafferty served as the Chairman of the Senate Transportation Committee, Vice Chairman of the Judiciary Committee, and member of the Appropriations, Consumer Protection and Professional Licensure and Law and Justice Committees. He previously served on the Pennsylvania Commission on Crime and Delinquency and in 2013 was appointed by the President Pro Tempore of the Senate to serve on the Pennsylvania Commission on Sentencing. Additionally, he was the prime sponsor of Act 89 – The Comprehensive State Transportation Legislation and also the prime sponsor of the Comprehensive Updates to Pennsylvania DUI Legislation.

Mr. Rafferty was a member of the Methacton School Board from 1980 to 1984. He also represented Methacton in the operation of the Vo-Tech School as a member of the North Montco Vo-Tech Joint School Authority from 1981 to 1984. After serving on the Methacton School Board, he was elected to serve as a member of the Lower Providence Township Board of Supervisors. A Lower Providence resident, John C. Rafferty, Jr. earned a bachelor’s degree from the University of Pittsburgh at Johnstown in 1975, a master’s degree from Beaver College in 1984 and a law degree from Temple University (J.D. 1988). He is a member of the Montgomery Bar Association.

William G. Roark is a Principal of Hamburg, Rubin, Mullin, Maxwell & Lupin and chair of the firm’s medical marijuana practice. He represents individuals and businesses in the medical marijuana industry by helping them comply with Pennsylvania’s Medical Marijuana Act. He assists clients to understand the permitting application process and the requirements associated with entering this industry.  Because he has remained on the forefront of the legislative development and implementation of the Act, Mr. Roark has been asked to plan and present at various educational seminars teaching other professionals about this new law.  Since 2014, he has devoted his time to expanding the legal profession’s knowledge and awareness of the Medical Marijuana Act and its precursors so that the profession can be better prepared to meet the numerous legal needs on the horizon. He currently serves as co-chair of the Pennsylvania Bar Association’s Medical Marijuana and Hemp Law Committee.

A member of the firm’s Litigation Department, Mr. Roark’s practice also includes environmental litigation and catastrophic injury cases. His clients have included individuals suffering from traumatic brain injuries, medical malpractice and exposure to dangerous chemicals.

Mr. Roark is an active member of the Montgomery Bar Association, chairing and participating in various committees. Mr. Roark is a past editor for the Montgomery County Law Reporter, past chair of the Environmental Law Committee and a contributing editor to Montgomery County’s Civil Practice Manual. He serves as a member of the Board of Directors of Legal Aid of Southeastern Pennsylvania. In 2016, Mr. Roark was selected to participate in Montgomery County’s prestigious Leadership Academy.

A graduate of Bucknell University (B.A. Economics, cum laude, 2003), Mr. Roark received his law degree with honors in 2006 from Villanova University where he served as a member of the Villanova Moot Court Board Executive Committee. Prior to joining the firm, Mr. Roark worked for Environmental Equipment Inc., where he helped usher in the green-age by selling, servicing and installing solar pool heating systems.

For nine consecutive years (2010-2018) Mr. Roark has been named to the Pennsylvania Super Lawyers Rising Stars List. Each year, no more than 2.5 percent of the lawyers in the state are selected by the research team at Super Lawyers to receive this honor. He is one of only thirty attorneys named to The Legal Intelligencer’s 2018 Lawyers on the Fast Track.


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Edward Rubin is the past Chairman of the Civil Litigation Department of Hamburg, Rubin, Mullin, Maxwell & Lupin. He has over 40 years experience handling civil litigation matters with specific expertise in products-liability, asbestos, medical malpractice, class action, environmental and major personal injury cases. Ed has tried hundreds of cases in Montgomery, Philadelphia, Lehigh, Northampton and Bucks Counties and federal courts. Ed has been named to the Pennsylvania Super Lawyers List for 2004-2013 in the field of products liability, and in 2014 in the area of Personal Injury: Plaintiff. No more than five percent of the lawyers in the state are selected by Super Lawyers each year. Active in Bar Association activities over the years, he is a frequent speaker and writer for professional groups and has held positions such as: Chairman of Montgomery County Bench Bar Committee, Member Ad Hoc Committee of the Bench Bar to reform Montgomery County discovery rules, Member of Board of Directors of Montgomery Bar Association, Member of Montgomery Bar Association Judiciary Committee, President of Montgomery Trial Lawyers Association, Member of Board of Directors of Pennsylvania Trial Lawyers Association, Chairman of Montgomery County Civil Rules Committee, Chairman of Montgomery County Medical-Legal Committee and member of the Board of Directors of Team Capital Bank. A graduate of Penn State University with a B.S. degree in 1964, Ed received his law degree in 1967 from Villanova University School of Law.


Jonathan Samel chairs the Business/Tax, Estates & Trusts and Elder Law Departments of Hamburg, Rubin, Mullin, Maxwell & Lupin. For more than 30 years, he has successfully combined his practical experience in business law, estates, real estate law and financing matters with a detailed technical knowledge of tax law to assist clients around the Delaware Valley. His practice focuses on structuring and implementing business transactions and tax planning for closely held businesses and individuals. His work includes assisting clients with all legal and tax aspects of the formation and operation of various business entities, including proprietorships, partnerships, corporations, limited liability companies and joint venture and he regularly negotiates and structures the purchase and sale of businesses, including asset sales, stock sales, corporate reorganizations, and other similar arrangements.

Jon has substantial experience in the area of estate and gift taxation and in drafting wills, trusts and other agreements which are designed to preserve wealth and minimize taxes. He is also the chair of the Firm’s Automobile Dealership Group which assists automobile dealers with the acquisition and sale of dealerships, franchise litigation, succession planning, real estate law, environmental issues, employee relations and other regulatory issues affecting automobile dealers.

Jon was selected as a 2016 Top Attorney by Philadelphia Life Magazine for Estate Planning & Administration, Elder Law and Business Law. He is a member and past chairman of the Corporation, Banking and Business Law Committee of the Montgomery Bar Association. He is also a member of the Probate, Estates and Trusts Committee of the Pennsylvania Bar Association, and of the Montgomery County Estate Planning Council. He serves on the Advisory Board of the Delaware Valley Family Business Center. Jon received his undergraduate degree from the University of Rochester (B.A. 1974), and his law and Master’s degree in Tax Law from Temple University (J.D. 1978, LL.M. 1990).

Robert Sebia is a member of the firm’s Real Estate, Business and Trusts & Estates departments. His practice is focused on Real Estate, Municipal, Trust and Estates law. Prior to joining the firm, he served as a clerk for the Philadelphia District Attorney’s Office and the Cause of Action Institute in Washington D.C.

In the zoning, land use and development arenas, Rob represents a wide array of clients including business owners, home builders, landowners, and developers. Rob is an integral member of the firm’s highly regarded Municipal Law Department. He assists in representing as a solicitor to the following municipal clients: Limerick Township, Upper Merion Township, East Whiteland Township, Douglass (Berks) Township, West Vincent Township, West Conshohocken Borough, and Hatfield Township. Rob has expertise in handling all matters governed by Pennsylvania’s Municipalities Planning Code and handles subdivision and land development projects, complex ordinance drafting, open space planning and acquisition, negotiating intergovernmental agreements, and numerous other areas of the law that impact the firm’s respective municipal clients.

As a member of the firm’s Trusts & Estates departments, Rob advises individuals and families in matters related to estate planning; wealth management; and the preparation of essential estate planning documents such as wills, trusts, powers of attorney, and advanced health care directives. In addition to Pennsylvania, Rob is a member of the New Jersey Bar.

Rob received his Bachelor’s Degree in both History and Political Science from Wilkes University in 2013. He graduated from Temple University Beasley School of Law (J.D., cum laude, 2016).

John Walko is a member of the firm’s Municipal Law, Real Estate Law, Medical Marijuana, and Criminal Defense departments.  John serves as the Solicitor for Narberth Borough and the Montgomery County Recorder of Deeds, Deputy Solicitor for Upper Merion Township and East Whiteland Township, and assists with the firm’s other municipal clients. In addition, John’s practice includes the representation of developers, landowners, and tenants related to residential, commercial, medical marijuana, and institutional/religious land uses, sales, and agreements.

John previously served as a Montgomery County District Attorney where he formed a reputation as an honest, skilled and prepared trial attorney.  In 2011, John was promoted to Captain of Economic Crimes for Montgomery County, where he worked with federal, state and local law enforcement to investigate and prosecute complex financial crimes.  In 2014, John was voted “Best of MontCo” in The Times Herald newspaper in three separate categories, Criminal Defense, Personal Injury and Wills & Estates, and he still assists clients with criminal defense and estate planning needs. More recently, John was selected for inclusion in Super Lawyers Rising Stars Edition in the area of State, Local & Municipal Law for 2016, 2017, and 2018.

Originally a native of Western Pennsylvania, he now resides with his wife and family in Abington Township, where he serves as the appointed Hearing Officer for the Abington Township Red Light Camera program.


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Carl N. Weiner co-chairs the Real Estate Group of Hamburg, Rubin, Mullin, Maxwell & Lupin. For over two decades, he has handled an enormous array of real estate law matters for Delaware Valley clients, ranging from zoning and land development to real-estate financing and acquisition. He is widely regarded as one of the area’s leading attorneys in association law, based on his work in the development of over 150 condominium and homeowners’ associations and ongoing representation of numerous associations.

Carl acquired his extensive experience in zoning litigation from numerous successful appearances before zoning hearing boards and appellate arguments. He has a reputation for effectively handling zoning cases and subdivision and land-development applications in a majority of townships and boroughs throughout Bucks and Montgomery Counties. Carl has obtained substantial recovery for landowners in eminent domain cases and has successfully represented municipal entities in defending eminent domain claims. Carl has represented developers, commercial landowners and banks with respect to the acquisition and financing of commercial properties held for future development. He is also known for his work structuring multimillion-dollar real-estate acquisitions with innovative contingencies for financing, land development and zoning approvals.

A frequent lecturer for the Pennsylvania Bar Institute, the Community Associations Institute and the Montgomery Bar Association (MBA), Carl is a past Chairman of the MBA’s Specialization Committee and Real Estate Land Use Committee. He is also a past President of the Pennsylvania/Greater Delaware Valley Chapter of the Community Associations Institute. Carl currently serves as President of the Montgomery Bar Foundation and is past President of the Montgomery County Big Brothers/Big Sisters Association. Since 2009, Carl has served multiple terms as Chair of the Pennsylvania Legislative Action Committee of the Community Associations Institute.  Before joining the firm in 1984, he served as a law clerk to The Honorable Stanley M. Greenberg of the Court of Common Pleas of Philadelphia. A graduate of Boston University School of Law, Carl received his undergraduate degree from Brown University.

Douglas I Zeiders chairs the Litigation Department of Hamburg, Rubin, Mullin, Maxwell & Lupin and has been a member of the Department since originally joining the firm in August 1983. While Doug has a broad background in civil litigation, including personal injury and commercial litigation, Doug has concentrated his practice for many years in the area of domestic law including, but not limited to, divorce, division of property, custody and support. Given changes that have recently occurred in the practice of domestic law, which make practice in that area of law much more like other forms of civil litigation, Doug’s extensive civil litigation background gives him a significant advantage over practitioners with experience only in the area of domestic law. Doug is an active member of the Montgomery Bar Association’s Family Law Committee and has served as a special Master in Divorce for the Montgomery County Court of Common Pleas. While Doug’s practice is located primarily in Montgomery County and Bucks County, he has handled domestic cases throughout the entire suburban Philadelphia area as well as in Lehigh County and Northampton County.