About Us

William N. Sosis, Esq.
411 Greenwood Ave No. 315, Wyckoff, NJ 07481   (201) 655-6400

I am an experienced attorney licensed in the state of New Jersey. I hold a bachelors degree from Montclair University, a masters degree from NJIT and a Juris Doctor from Western Michigan University, Cooley Law School. My practice includes all matters relating to family law and divorce, domestic violence, child custody, consumer law, internet and cybersecurity, estate planning and administrative law, as well as other general matters. I have successfully appeared before the Family-Part as well as the New Jersey Appellate Division. I am an instructor for New Jersey Continuing Legal Education courses in e-discovery, cybersecurity, internet privacy and am an expert for IT-related matters. I provide a professional, caring and cost-conscious environment where you can feel comfortable and confident trusting us to handle your legal concerns. In addition to my legal experience, I have also worked for many years in several industries. I believe all my experiences and the countless people I have helped provide me with the empathy and ability to understand the disappointment, emotions, and frustrations you may be experiencing from your legal issues.

I am confident that I can help where others may have failed.


Attorney at Sosis Law, LLC
July 2014 – Present: 151 West Passaic Street, 2nd Floor, Rochelle Park, New Jersey 07662
Sosis Law, LLC is a small law firm located in Bergen County, New Jersey. We handle a wide range of issues including Divorce and Family Law, Consumer Law, Internet and Cybersecurity, Estate Planning and Administrative Law.  As a Men's Rights advocate, I understand how desperately New Jersey needs more highly qualified attorneys capable of advocating for men’s rights. My personal background enables me to fully understand how men need strategic guidance and professional decision making through times that can be extremely stressful. I have a personal commitment to communicate and listen to you and provide valuable insight and strategies for dealing with difficult cases involving uncooperative ex-partners. I work with you to implement the children's "Bill of Rights" which provides a guideline to divorced parents, encouraging mutual respect for the children's best interest. With me, you are sure to benefit from a compassionate and skilled attorney who has the experience and ability to make a difference.

Law Clerk
Law Office of David L. Zoglio
May 2013 – August 2013: 207 E. Jefferson St., 2nd Floor, Grand Ledge, MI 48837

Participated in the daily operations of this seasoned law office. Developed skills in areas such as research and writing, legal analysis, interviewing, client intake information, gathering requirements, and organization, synthesis, and communication of case facts. Developed an enhanced sense of professional responsibility, improved lawyering skills, and gained a more integrated understanding of how the legal system works. Performed all assignments in a timely and efficient manner. Accomplishments included: Re-opening a closed estate, drafting briefs including one for a complex case involving a land contract issue, hiring and supervising private investigators, reviewing a decedent’s estate, analyzing court transcripts and judge's reasons, preparing various legal memoranda for civil and criminal cases involving Miranda, locating errors in law, constitutional law cases involving fourth and fifth amendment issues, domestic violence, and child abuse. Handled business organization cases involving dissolution and formation of a limited liability companies (LLC), drafted final copies of articles of organization and resolved conflicts between two joint-clients.

Western Michigan University Law Student
Western Michigan University
October 2010 – August 2013: 300 S Capitol Ave, Lansing, MI 48933

Concentration: General Practice, Solo and Small Firm — concentration focused on handling family law, criminal matters, estate planning, real estate transactions, commercial law and contracts, and personal injury matters.

Licensed Real Estate Salesperson
Genesis Realtors
October 2008 – October 2010: 20 Goffle Road, Midland Park, NJ 07432

- Genesis Realtors, 20 Goffle Road, Midland Park, NJ 07432.
- Weichert Real Estate School, 202 Johnson Road, Morris Plains NJ, 07950

Colgate PalmoliveSenior Business Analyst
Colgate Palmolive
August 2007 – October 2008: 191 E Hanover Ave., Morristown, NJ 07960

Coordinated SAP R/3 upgrade team efforts during ECC 6.0 upgrades in North America, Canada, Puerto Rico and Caricom divisions; Completed an R/3 to ECC 6.0 upgrade for Latin America, Asia and Europe; contributed to the development and implementation of the IS strategy; Liaised between business subsidiaries, external business partners and internal application development groups; successfully led and implemented master data management (MDM) efforts through development of internal data standards; aligned and improved data accuracy via MDM that enabled managing globally across systems, subsidiaries and meeting customer demands for data synchronization and data quality; Managed simultaneous work streams between internal and external contacts; conducted archiving requirement analyses to enable data management and database upgrades; authored comprehensive documentation and delivered training on SAP's legacy system migration workbench (LSMW) for transferring data from legacy systems into the R/3 System.

Whatman - Part of GE Healthcare Senior Business Analyst
Whatman - Part of GE Healthcare
July 2005 – July 2007: 200 Park Avenue, Suite 210. Florham Park, NJ 07932

Worked with assigned functional areas to implement appropriate eB2/MFGPro functionality. Managed consultants to configure designated system modules to meet business requirements. Identified functionality gaps and design appropriate enhancements. Provide technical leadership within the I/T team. Combined technical expertise with business knowledge to provide direction and leadership to the business areas supported; contributed to development and implementation of the IS strategy; served as EDI coordinator responsible for establishing EDI communications with external business partners; liaison between external business partners and internal application development groups; manage simultaneous work streams between internal and external contacts; liaised with key users to identify and develop improvements to business systems; key role in IT review groups across the US, United Kingdom, Japan and Singapore; project leader in the upgrade of eB2, MFG/Pro; leader in data quality improvement projects; ensured improvements to business processes as a result of new systems; create and maintain operating standards and procedures; support, maintain and provided training to end-users on existing eB2, MFG/pro accounting systems.

Montefiore Information Technology Senior System Analyst
Montefiore Information Technology
July 2002 – July 2005: 1 Fordham Plaza, Bronx, NY 10458
Designed business flows and functional requirements and act as liaison between vendor and user community. Supported all software development and post-implementation activities for materials management, accounts payable, general ledger and patient financial services; served as database administration and developed progress programs; performed SAP functional configuration of MM & FI modules; conducted master data rationalization; tracked open issues and provided status reports back to upper- management; assisted users with development of test plan; developed report specifications; facilitated system testing; assisted with user training; developed documentation as required; performed system monitoring, trouble-shooting and problem resolution.

Unilever Senior System Analyst
January 1997 – June 2002: 800 Sylvan Ave, Englewood Cliffs, NJ 07632
Performed a full range of materials management activities, including: bills of material management; procurement; production and capacity planning, scheduling and reporting; analysis of customer requirements; inventory planning and control; shipment and on-time delivery scheduling; developed requirements and specifications for functional integration of business processes inherited from both Unilever and Bestfoods; implemented MRP, integrating production plans with accurate physical inventories, shipments and finished goods deliveries; developed training materials, coordinated and delivered end-user training in 3 facilities for over 300 employees including upper-level management; reduced learning curve by 50% by creating and delivering personalized user-friendly multimedia presentations to facilitate SAP training of new users; managed problem resolution call-center and administrated remedy action request system and developed and negotiated service level agreements for all levels; extensive configuration & customization experience in SAP R/3 (five years in materials management, purchasing, sales & distribution, and production planning modules.); configured over 2,000 error- free transports in sap; analyzed user requirements, procedures, and resolved nearly 4,000 user problems in SAP's materials management, sales & distribution & accounts payable; transferred high-level business concepts into detailed functional requirements; translated functional requirements into visual information; designed and implemented a web site based help desk that reduced call-volume by 20% for us and Canadian customer base.

Bestfoods, Inc. Process Coordinator
Bestfoods, Inc.
August 1986 – January 1997: 180 Baldwin Ave. Jersey City. NJ 07306
Coordinated all activities from raw materials to finished product in a manufacturing facility; managed process control department; reduced rework by 30% through process improvement; implemented data collection system & remote set-point capability in manufacturing plant and greatly improved drier performance; reduced maintenance required by 80%; successfully implemented control chart and process capability strategies in the manufacturing processes; identified important measurements and process improvement opportunities using SPC, pareto charting, and normal probability; produced standard operating procedures that were made available to all managers, supervisors and factory workers; standardized best practices and established the need for collaboration in maintaining current SOP's; significantly improved security in Bestfoods by providing a more reliable and comprehensive security protection program; reduced probability of possible risks, and coordinated security measures with local law enforcement if necessary and fire departments; served as employee trip reduction coordinator and achieved reductions in single-occupant travel by more than 20 per cent and increased alternative transportation methods for all employees; in recognition of my accomplishments, I was awarded a special achievement plaque from the New Jersey Department of Transportation.

Process Engineer
Thomas J. Lipton Company
August 1983 – August 1986: 800 Sylvan Avenue. Englewood Cliffs, NJ 07632
Coordinated all pilot plant activities; conducted research & development experiments aimed at developing new products; conducted plant trials; worked extensively in process development & product development areas; conceived and developed useful diagnostics and planning tools for managers; translated data into information and improved ability to detect unusual behavior and effectively plan remedial and improvement actions; conceived and developed heat-exchange cooking system for new product; reduced waste by 20%; developed product drying-curves that improved drying related waste by 40%.

Galler-Seven-Up Quality Control Supervisor
August 1978 – August 1983: 88 Polifly Rd, Hackensack, NJ, 07601
Supervised quality control department; assured compliance of finished product with all quality standards; conducted a variety of quality control testing; maintained quality adherence records; regularly achieved excellent reviews from parent company (Saint Louis, Missouri) for quality standards compliance; trained 3 assistants in all quality related functions; reduced consumer complaints by 20%; successfully maintained zero percent recalls on all finished product.

Consumer Issues, Internet Law, Cyber-security, Family law, domestic violence, domestic relations, alternative dispute, qualified domestic relations orders, mediation, civil litigation, preparation of wills and trusts, criminal law, property law, e-discovery consulting, business organizing, intellectual property, litigation, legal research, legal writing and more.


  • Western Michigan University Cooley Law School, Juris Doctor (J.D.), Law
  • New Jersey Institute of Technology, Master's Degree, Operations Research
  • Montclair State University, Bachelor's Degree, Computer Science & Mathematics
  • Project Management Institute, Project Management Professional (PMP Certification), Project Management

No aspect of this advertisement has been approved by the Supreme Court of New Jersey.