Flaster Greenberg PC

Business Transactions Department

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Lead, Business and M&A Practice Group

With nearly 20 years of experience, Mariel is a respected New Jersey corporate and business attorney who serves as a trusted legal and strategic advisor to business owners, family owned and founder led businesses, entrepreneurs, private investors and investment groups, family offices, and executive teams throughout New Jersey, including Camden County, Burlington County, Gloucester County, Cumberland County, and the greater Philadelphia and Northeast regions.

Mariel provides practical, business-minded counsel to businesses so they can protect, prevent, and resolve the legal and operational challenges they face each day.  Mariel helps businesses develop solutions that fit their organizational personality and are comfortable for the business to implement. General Counsel/Strategic Transactional Counsel Mariel counsels a full range of businesses from small, local businesses, to multi-generational, family owned businesses, founder-led businesses and start-ups, to large, publicly traded companies through all aspects of the business life cycle.   She has counseled businesses beginning with business formation; moving through such life cycle with growth and investment strategies, including corporate governance and compliance, mergers and acquisitions, joint ventures, financing (including equity and debt financings) and real estate transactions, and guiding companies through the wind-down and dissolution processes.

Mariel’s practice is industry agnostic and includes a variety of industry sectors. Current industry representations include supply chain logistics, cold storage warehousing, real estate developers and owners, real estate brokers, daycare operators and owners, environmental remediation, recycling, waste management, product manufacturers, fleet management, greenhouses, solar energy, software developers, technology, life sciences and healthcare, travel agencies, medical providers, and more.

Despite the range of industries, Mariel’s goal is always the same: to protect what her clients have built and position them for what comes next.  She is known for her ability to combine sharp legal acumen with a deeply personal, client-focused approach. She is committed to being more than just outside counsel— she strives to serve as a long-term partner and trusted advisor, invested in her clients’ success at every stage. South-Jersey Family-Owned Business Attorney Mariel was raised in a multigenerational family of entrepreneurs, which provides her with a unique, insider’s understanding of the dynamics that drive – and sometimes complicate – family-owned businesses.

Family businesses involve sensitivities and interpersonal dynamics that set family-owned businesses apart from other organizations. Mariel understands that those dynamics create both a sense of pride to drive the organization into the next generation as well as complications that require empathy and understanding.

Her approach blends legal skills with emotional intelligence to meet the complex needs of families in business together which allows her to leverage this unique understanding to deliver practical, forward-thinking legal solutions that align with each family’s business goals, values, and legacy.  Mariel understands that the success of a family-owned business depends on thoughtful planning, clear communication, and the ability to adapt to change and her legal advice and counsel is uniquely crafted for each business to help strengthen their foundations and prepare them for long-term success. Helping Woman-Owned Businesses Flourish in NJ As a woman making an impact in a traditionally male-dominated field, Mariel is a corporate attorney committed to empowering other women to lead with confidence, especially those stepping into leadership of family businesses during generational transitions. She serves as general counsel to a growing number of women-owned and women-led companies in New Jersey and helps them navigate complex legal landscapes while asserting their voice and vision.

Villanova University School of Law, J.D. Federal Tax Clinic Environmental Law Journal, Member Rutgers University, New Brunswick, B.S., Finance