Partner

Daniel G. Mahler, CPA

For several decades, Dan has been a respected and highly accomplished accountant serving Northern New Jersey. As a founding leader of GMLS, he brings a rare combination of deep technical expertise, advanced academic achievement, and long‑standing community leadership. His career reflects a commitment to excellence, integrity, and service — qualities that continue to shape the firm’s culture and client relationships.

Dan’s academic background is among the strongest in the profession. He holds an MBA in Professional Accounting from Rutgers University, a Master’s in Federal Income Taxation from Seton Hall University, and maintains active membership in both the New Jersey Society of CPAs and the American Institute of CPAs. These credentials, combined with decades of hands‑on experience, position him as the firm’s leading authority in estate and trust taxation, complex financial planning, and advanced tax strategy.

Within GMLS, Dan is the professional clients turn to for guidance on intricate financial matters. His ability to simplify complexity, anticipate challenges, and craft strategic solutions has earned him a reputation as the firm’s trusted expert for estates, trusts, and sophisticated tax scenarios.

Beyond his professional accomplishments, Dan has also dedicated more than 20 years of public service as the Mayor of Wanaque, New Jersey. His long tenure reflects the confidence his community places in his leadership, judgment, and commitment to public stewardship. This unique blend of civic responsibility and financial expertise gives Dan a broad perspective that benefits clients seeking both technical precision and thoughtful guidance.

Dan’s leadership continues to shape GMLS, ensuring the firm remains grounded in professionalism, client care, and forward‑thinking financial strategy.

Partner

Maria Sacharow 

Maria brings several decades of experience as a Head Bookkeeper and Senior Accountant within large, fast‑paced corporate environments. Her background includes leading complex financial operations, managing multi‑million‑dollar accounting workflows, and ensuring accuracy, compliance, and efficiency across every stage of the financial cycle.

As a partner at GMLS, Maria applies this deep expertise to serve businesses and individuals with precision and care. She oversees the firm’s tax strategy, corporate accounting, payroll management, and bookkeeping systems, ensuring clients receive guidance that is both technically sound and tailored to their unique needs.

Known for her meticulous attention to detail and her commitment to client success, Maria is the firm’s trusted tax and accounting expert. She combines real‑world corporate experience with a personal, relationship‑driven approach — helping clients stay compliant, make informed decisions, and build long‑term financial stability.

Financial Solutions Manager 

Salvatore Greco, CAMS, CAFP 

With more than a decade of experience across multiple areas of the banking industry, Sal brings a well‑rounded and deeply informed financial perspective to the GMLS team. His career spans roles from Branch Supervisor to Assistant Vice President in Anti‑Money Laundering (AML) Testing for a major corporate bank in Manhattan — a combination that gives him both the analytical depth and the real‑world client understanding that today’s financial landscape demands.

Sal’s early years in branch banking shaped the foundation of his professional style. Working face‑to‑face with clients every day, he developed strong relationship‑building skills, a natural ability to explain financial concepts clearly, and a genuine commitment to helping people feel confident in their financial decisions. These experiences taught him how to listen, how to problem‑solve in real time, and how to support clients through both everyday needs and more complex financial situations.

As his career progressed, Sal expanded his expertise into financial operations, auditing, and the evaluation of large‑scale financial activity. This blend of hands‑on client interaction and high‑level analytical work gives him a unique ability to see the full financial picture — from the individual client’s perspective to the broader institutional framework.

At GMLS, Sal leverages this diverse background to help clients understand their finances with clarity and confidence. He approaches each engagement with a balance of technical insight and personal connection, ensuring clients feel supported, informed, and empowered. His ability to translate complex financial information into practical, actionable guidance makes him a trusted resource for individuals and businesses alike.

Sal’s combination of banking experience, analytical strength, and approachable client service continues to enhance the firm’s commitment to delivering thoughtful, dependable financial solutions.

Financial Solutions Manager

Tim Scherer

After earning his MBA in Professional Accounting from Rutgers University, Tim began his career with one of the Big Four accounting firms, where he worked as an auditor serving both publicly traded corporations and privately held businesses. This early exposure to diverse industries, complex financial structures, and rigorous reporting standards gave him a strong technical foundation and a broad understanding of how organizations operate at every level.

Tim’s audit experience sharpened his skills in financial analysis, internal controls, and financial reporting, while also giving him a front‑row view of the challenges companies face — from compliance requirements to operational inefficiencies to strategic planning. Working with clients of all sizes helped him develop a flexible, solutions‑oriented approach that he now brings to GMLS.

At the firm, Tim leverages this blend of technical expertise and practical insight to help clients navigate their financial landscape with clarity and confidence. Whether supporting a growing small business or advising a more complex organization, he excels at breaking down financial information, identifying opportunities for improvement, and developing strategies that support long‑term stability and success.

Tim’s combination of Big Four training, advanced academic credentials, and hands‑on client experience makes him a valuable resource for clients seeking thoughtful, reliable, and forward‑thinking financial guidance.

Office Manager

Jigisha (Jigi) Patel 

Jigi is truly the heartbeat of GMLS. With more than 20 years of experience in accounting, bookkeeping, and day‑to‑day operational support, she plays a central role in keeping the firm running smoothly and efficiently. Her ability to seamlessly shift between responsibilities — from answering client calls to assisting with tax return preparation, managing bookkeeping workflows, and supporting internal operations — makes her an indispensable member of the team.

Clients and colleagues alike appreciate Jigi’s steady presence, attention to detail, and genuine commitment to service. She is often the first friendly voice clients hear and the person who ensures that every task, big or small, is handled with care. Her broad skill set and deep industry experience allow her to support multiple areas of the firm with confidence and precision.

In addition to her technical expertise, Jigi also takes on the important responsibility of keeping our “Chiefs of Staff” — Mia and Dutchie — happy and on schedule, a role she fulfills with both humor and heart. Her ability to balance professionalism with warmth contributes to the welcoming environment clients experience at GMLS.

As the firm’s true jack‑of‑all‑trades, Jigi embodies reliability, versatility, and dedication. Her contributions strengthen every part of the organization, and her presence ensures that GMLS continues to deliver the exceptional service our clients rely on.

Bookkeeper and Receptionist 

Sandra Riley

Sandra brings a well‑rounded blend of accounting‑firm support, retail experience, and customer service to our team, giving her a unique perspective on both the technical and personal sides of our work. Over the years, she has developed a strong understanding of day‑to‑day firm operations and the many details that go into creating a smooth experience for clients. Her background allows her to anticipate needs, stay organized, and keep things moving with a calm, steady approach.

As a part‑time bookkeeper, Sandra combines her growing technical skills with a naturally friendly and reassuring presence. She takes pride in maintaining accurate records, supporting internal workflows, and helping the team stay on track. Whether she’s greeting someone in the office or offering guidance over the phone, her warm voice and genuine care help clients feel comfortable and confident. Sandra’s people‑first mindset, attention to detail, and commitment to doing things the right way make her an invaluable part of our firm and a familiar, trusted presence for everyone she works with.

Part Time Bookkeeper 

Valentina Greco 

Valentina brings a strong foundation in bookkeeping, organization, and financial accuracy to our team. With a natural eye for detail and a steady, thoughtful approach, she helps ensure that the behind‑the‑scenes work of the firm runs smoothly. Her background in bookkeeping has given her a solid understanding of account reconciliation, documentation, and the day‑to‑day processes that keep financial records clean and reliable.

As a part‑time bookkeeper, Valentina focuses on maintaining structure, consistency, and clarity in everything she handles. She takes pride in supporting the team by keeping information organized, double‑checking details, and making sure nothing slips through the cracks. While her role is primarily internal, her calm professionalism and dependable work style contribute to a seamless experience for both the team and the clients we serve. Valentina’s reliability, dedication, and genuine care for accuracy make her a valued part of our firm and an essential part of our daily operations.

Chiefs of Staff

Mia & Dutchie 

GMLS wouldn’t run nearly as smoothly without the daily oversight of our most dedicated team members — Mia and Dutchie. These two office pups take their roles seriously, providing constant supervision, steady morale support, and timely reminders that treat time is, in fact, a critical part of the workday.

With a combined career spanning countless naps, hallway patrols, and enthusiastic greetings, Mia and Dutchie bring a unique blend of warmth, personality, and charm to the office. They can be routinely found making their rounds, checking in on staff, and ensuring everyone stays on schedule — especially when it comes to their favorite agenda item: snacks.

Their presence adds a light‑hearted energy to the firm, helping create a welcoming environment where clients feel at ease the moment they walk in. Whether offering a friendly tail wag, settling in for a quiet moment during a busy tax season, or simply brightening the room with their personalities, Mia and Dutchie remind us that even in the world of numbers, there’s always room for joy.

They may not prepare returns or analyze financial statements, but they excel in client hospitality, stress relief, and maintaining office morale — and around here, that makes them indispensable members of the GMLS family.