Our Team

Rivka Hammelburger

Director of Corporate Accounting

Rivka Hammelburger directs the Corporate Accounting team at Apex, which gives business owners the ability to focus on business operations by allowing them to outsource all of their accounting needs. The Corporate Accounting team handles everything from accounts payable and receivable to cash management and financial reporting. As a leader, Rivka guides her team on utilizing automation software to accelerate workflow, streamlining processes to improve quality, and providing innovative reports to surpass each client’s expectations. Rivka holds a Masters in Accounting from Fairleigh Dickinson University and loves to paint and draw in her spare time.

PIECE OF ADVICE
“Create realistic timelines and work through each task systematically.”

Simon Gelbtuch

VP of Corporate Accounting

As VP, Simon is responsible for overseeing the Corporate Accounting department at Apex Global Solutions where he is involved in planning, directing and coordinating all accounting operational functions. Simon joined Apex in 2020 after spending most of his career in public accounting at a national Big 4 firm. Simon received a BS in accounting from Touro College and is a licensed Certified Public Accountant in the State of New York.

Jeremy Kahn

Chief Information Officer

An innovative technology consultant with over 25 years of experience, Jeremy’s leadership and consulting experience has crossed the private, public and government sectors. Jeremy previously developed a consulting organization focused on cybersecurity, the financial, healthcare and hospitality vertical markets. An attorney and member of the NY State Bar Association, Jeremy has spoken at a numerous industry events on cybersecurity, disaster recovery and enterprise architecture, and conducted CLE classes on cybersecurity. He earned his JD from Brooklyn Law School and a BS in Policy Analysis from Cornell University. Jeremy currently lives outside of New York City with his wife and children where he serves on the school board as their "technology consultant" for the past 15 years.

Shana Bernal

Director of Accounting & Staffing

Sean Manne

VP of Payroll

As VP of Payroll, Sean leads a strong team that processes payroll and provides benefits administration for more than 120 facilities. He comes with a decade of experience in Home Care management, where he oversaw the Authorizations, AR, Time and Attendance and Payroll operations, performing each of these functions at the ground level, before growing to manage the teams. Sean is always looking to analyze processes with his team and work to identify potential inefficiencies and generate an even higher level of productivity.

PIECE OF ADVICE
“We all have experiences where results weren’t to our expectations. The question to be asked is, what’s the lesson to be learned from that experience? Identify it and use it to affect positive change!”

Kenneth Milgraum

VP of Financial Services

Ken oversees Accounting, Accounts Payable and Treasury. He focuses on delivering timely, accurate financial results with consistent technical expertise and insight. He strives to create a culture of accountability, ownership and talent development.

Ken has a robust financial background working in Private and Public accounting. He grew up at Deloitte and Touché, LLP serving large multi-national publicly traded companies and most recently worked for a Real Estate Conglomerate as the Financial Controller.

Ken also serves as the Treasurer for YBH of Passaic, a Yeshiva with over 750 students.

PIECE OF ADVICE
“Remove the superglue from your chair and go talk through things.”

Nechama Mael

VP of People

Nechama is our "make it better, more efficient, and more effective" expert. She tackles all angles of performance improvement at AGS, focusing on labor productivity, workflow efficiency, and leadership excellence. Nechama challenges the status quo and collaboratively promotes continuous improvement throughout the organization. Her prior experience includes operations consulting in the United States and abroad and managing a medical call center. Nechama holds an MBA from the University of Baltimore as well as Lean Healthcare and Six Sigma green belt certifications.

PIECE OF ADVICE
"Perfection is not within our reach, but if you strive toward perfection, you may touch excellence."

Deb Chapman

VP of Client Support Services

As Director of Client Services, Deb ensures that AGS’s IT support goes above and beyond to exceed clients’ expectations. Through her wide-ranging role, which includes managing the IT Helpdesk, Purchasing, and Field Tech teams, she has helped AGS maintain its impressive 99% customer satisfaction rating. Known around the office for her positive and upbeat personality, Deb brings over 30 years of experience in management, having worked as a Business Manager for Sony Electronics and as Vice President of Client Services at SRS Health. When not at work, Deb enjoys putting her customer service skills to work in the kitchen, where she’s a skilled cook who loves to host family and friends.

PIECE OF ADVICE
“Sometimes it's better to beg forgiveness than ask permission when presented with a difficult decision.”

Joshua Jacobs

VP of Client Relations

As Vice President of AR and Director of Customer Relations, Joshua works around the clock to ensure that all clients’ needs are met, developing swift solutions to any concerns that may arise. He also on-boards and transitions new clients, helping them navigate the magic that is AGS’s systems. He has over 22 years of experience in AR Management roles and holds a Masters in Business from Johns Hopkins University.

PIECE OF ADVICE
“Don't make decisions based on those who will be disappointed by that choice; rather, make choices based on whether or not you will disappoint yourself.”

Shaye Hamburger

Director of Office Management

From maintaining its professional appearance to keeping a meticulous inventory, to managing its supplies and equipment, Shaye keeps our office space organized and running smoothly. Highly organized and always with a smile, Shaye also oversees the company’s document management process; coordinating all documents for AGS’s many departments in the most efficient and cost effective manner. His team also handles check printing and setting up new shipment accounts for clients. Known for his energetic, positive attitude, Shaye ensures a welcoming and aesthetically appealing atmosphere for employees and visitors alike.

PIECE OF ADVICE
“Being organized and staying positive is key to success.”

Leah Sternbuch

Accounts Receivable Manager

Leah oversees accounts receivables for 19 nursing homes, working to ensure claims are paid and facilitating a smooth onboarding experience for new clients. As part of the AGS team for over 15 years, Leah is known by her colleagues as someone who’ll do whatever it takes get the job done.

Sharon Steinfeld

Accounts Receivable Manager

Sharon manages a team of accounts receivable specialists. Bringing a broad scope of knowledge and experience from her previous work as a biller, tracker, and supervisor, Sharon manages a 42-building portfolio and provides guidance for the 23 employees on her team. A multi-tasker known for her ability to juggle many tasks at once, Sharon has trained 10 employees simultaneously to onboard over 40 buildings and has interviewed over one hundred job candidates while at AGS. In her spare time, Sharon enjoys cooking and baking.

PIECE OF ADVICE
“Hard work pays off in tangible results.”

Pearl Reich

Accounts Receivable Manager

One of the longest members of the AGS team, Pearl brings 15 years of hands-on billing experience to her role as A/R manager. Before coming to AGS, Pearl gained industry experience working in various departments within nursing facilities, including social services and billing. An expert in A/R billing, she began working for AGS as an A/R specialist and later became a supervisor. She is now responsible for overseeing a team of nine employees, providing A/R services for 15 facilities. Pearl now serves as a mentor to others on her team, sharing her knowledge and best practices with others. When not at work, Pearl enjoys creating culinary delicacies and spending time with her family.

Julie Friedman

Accounts Receivable Manager

Julie manages the revenue cycle for facilities and specializes in rehabilitating skilled nursing facilities experiencing A/R issues. A certified medical biller and coder with over a decade of experience, Julie is knowledgeable in all areas of Accounts Receivable and Medicaid planning. Starting as a Biller, advancing to a Medicare and HMO Specialist, Medicaid Planning Specialist, and A/R Supervisor, Julie has worked in every position within the revenue cycle with scores of facilities across many states. She is a volunteer for Chai Lifeline, as well as a swimming enthusiast and lifeguard.

PIECE OF ADVICE
“Just do it!”

Nelly Dombroff

Accounts Receivable Manager

Nelly leads a team responsible for all aspects of A/R for 24 facilities, working closely with her team to help facilities reach their goals. She is known to stay calm and focused in any situation, and as a mentor who has helped employees advance in their skills, knowledge and positions within AGS.

Bentzion Belen

Accounts Receivable Manager

As manager of AGS’s Detroit Office, Bentzion’s team provides billing services to 14 facilities. Previously, Bentzion worked as a mortgage loan officer and has a Masters in Industrial/Organizational Psychology from Capella University. When not at work, Bentzion likes to ski, bike and travel. He is also fluent in American Sign Language.

PIECE OF ADVICE
“Learn something new every day.”

Shlomo Fisher

Accounts Receivable Manager

As Vice President of Accounts Receivable, Shlomo manages the collection process for the AR department. An innovative leader, Shlomo has expanded his department to include a billing office in Detroit, MI, and continues to onboard new portfolios within new states. He has previous experience in real estate management and holds a BA of Talmudic Law and Analysis.

PIECE OF ADVICE
“Never assume”

Isaac Koenig

VP of Information Services

With a strong corporate background and results-driven approach, Isaac leads Apex Global Solutions’ information technology along with consumer-facing innovation.

Sam Kravetz

VP of Accounts Receivable

Sam Kravetz, Chief Operation Officer, oversees AGS’s revenue cycle management operations to ensure clients maximize reimbursements for services provided. An expert in the entire revenue cycle management as well as the technical intricacies of Medicare and Medicaid billing, Sam has earned AGS a consistent collections percentage of 99%, well above the industry standard.

Bracha Steinfeld

Chief Operations Officer

Bracha runs the day-to-day operations of AGS’s Montebello offices, working with various directors to streamline processes, hire staff, boost employee morale, and (occasionally) make coffee. Having advanced from an entry level employee to become the director of operations, Bracha understands the full scope of AGS, both from an executive perspective and front-line staff point of view. Over the years, she has played an integral role in the company’s growth and continues to work with her talented team to meet every challenge and make the impossible possible.

PIECE OF ADVICE
“Follow the 5 rule: if it’s not going to matter in 5 years, don’t spend more than 5 minutes being upset by it.”

Shloime Silbiger

Chief Financial Officer

Shloime liaisons between our executive level management and the AGS department directors and their teams. An enthusiastic proponent for positive workplace culture, Shloime brings out the best potential in each of our individual team members. He holds the distinction of being the company’s first employee, serving previously as Director of Treasury and Director of HR. In his personal time, Shloime serves as treasurer for his local shul, as well as being involved in multiple non-profit organizations.

PIECE OF ADVICE
“Success is not the key to happiness. Happiness is the key to success.”

Jennifer Hollander

Accounts Payable Director

As Accounts Payable Director, Jennifer allows our clients to focus on their business growth by relieving them of the many details involved in their Accounts Payable. She holds a CPA license, a Masters in Accounting and has over 5 years experience as a Tax Accountant and tax manager specializing in corporate and international tax. When not working with numbers, Jennifer can be found cooking and hosting family dinner parties and events. She is also a trained road cyclist and participates in many bike tours.

PIECE OF ADVICE
“The key to success is motivation and perseverance.”

Shulem Lebowitz

Director of Client Relations and Onboarding

Shulem leads the onboarding process for new facilities and serves as a long term liaison between the client and the various divisions within AGS. A skilled communicator, Shulem adds a human touch to the relationships between clients and AGS, and in the process, he enjoys getting to know a broad spectrum of clients and service providers.

PIECE OF ADVICE
“You never experience mistakes in life, only lessons!”

Marc Mermelstein

Director of IT Platform Services

Marc is responsible for designing and maintaining the systems our clients use to do their work, ensuring a world class technological system with a highly redundant infrastructure to maintain 99.999% uptime. Drawing on experience as Systems Engineer and Engineering Team Leader, Marc guides his department with a comprehensive expertise in his field, not to mention wit and warmth. He is also a Scuba Diving Instructor, and volunteers as an Auxiliary Police Sergeant for the NYPD.

PIECE OF ADVICE
“Don't Panic. Whether the systems are crashing or people around you are in chaos, do not let the passions interfere with what you’re doing. Stay clear minded to ensure a resolution.”

Batsheva Franco

Director of Recruitment & Staff Development

As director of recruitment and staff development—and an AGS veteran 10 years strong—Batsheva works to recruit the best and brightest to AGS. She also creates employee training and professional development programs that help employees stay on top of their industry knowledge and constantly grow in their professional skills.

PIECE OF ADVICE
“Teach People. Pay it forward.”

Moss Ellenbogen

CFO

Moss serves as Chief Financial Officer for AGS, coordinating cost reports and working with technical accounting issues across all portfolios. Responsible for state and federal cost report audits, Moss has saved clients over $3 million in potential take-backs over the course of several audits. A skilled negotiator, he works with vendors to keep costs down and reduce compliance costs. He brings 15 years of experience as a CFO of a SNF chain servicing 10 facilities in Florida, a controller of a foreign owned medical device company, market analyst at a $3 billion insurance company, and a public accountant at a Big 4 firm. Moss holds a Bachelors in Science from Yeshiva University and enjoys playing hockey in his spare time.

Mark Kantor

Director of Application Development

Mark is responsible for Application Development at AGS, including our AMP platform which provides SaaS solutions to the healthcare industry. He enjoys leading his team in providing innovative solutions for our clients through our software, such as the latest AMP module his team developed to aid in pharmacy cost containment. He has a degree in Computer Programming and a Project Management certification.

PIECE OF ADVICE
“Complexity is in its simplicity. Often, complex problems can be solved with simple, well thought out solutions.”

Jack Teitelbaum

Director of Treasury Services

Jack oversees all treasury related services for our clients. With an aptitude for developing new systems and a background as treasury rep & treasury supervisor, Jack guides his department with innovative ideas to continuously expand and enhance our system for client transparency.

Isaac Neumann

Director of Accounting

As Director of Accounting, Isaac oversees the compilation and issuance of client financial statements. Always committed to increasing customer satisfaction, Isaac facilitates efficient communication between his team and other departments to deliver the best results for AGS clients. Holding a Masters in Accounting and a CPA license, Isaac has innovated automated systems to make AGS’s accounting software run more efficiently. When not at work, Isaac enjoys spending time with his family.

Dov Weller

Director of Purchasing & Cost Containment

Dov directs the AGS Purchasing & Cost Containment department responsible for proactively managing skilled nursing facility spend through aggregating a breadth of cutting edge industry knowledge and wide ranging vendor contracts. He enjoys leading his team in ensuring that the AGS purchasing platform is assisting facilities in the goal of providing quality care and services. Dov holds an MBA as well as a Masters in Psychology and brings experience as the Director of Pharmacy & Cost Containment here at AGS. Dov is also a published author.

PIECE OF ADVICE
“If it doesn’t challenge you it doesn’t change you.”

Abe Gold

Director of Purchasing

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Ben Steinfeld

Director of Reporting and Analytics

As Director of Reporting and Analytics, Ben leads the reporting department in providing useful, insightful, and relevant reports in a timely and cost effective manner. He’s responsible for guiding his department in creating the most useful analytics package on the planet (that we know of). Ben is also a Board Member and Treasurer of Bais Medrash of Albert.

PIECE OF ADVICE
“Avoid last minute changes, the vast majority of errors occur in the tiny percentage of changes that they represent.”

J. Scheiner

Director of Human Resources

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Sheldon Neuberger

Manager of Accounts Receivable

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Dov Kravetz

Revenue Recovery Manager

As Revenue Recovery Manager, Dov heads the department responsible for recovering outstanding AR for nursing homes. Drawing on his experience in billing and tracking and management, Dov has led his team to success from the get-go; recovering over 12 million dollars during his department’s first year. He takes pride in helping clients recover the money that’s rightfully theirs and overcome collections challenges to strengthen their financial position.

Billing

Financial Management

Human Resources

Purchasing & Cost Containment

Technology

Jacob Karmel

Jacob Karmel

Nathan Stern

Nathan Stern

Shloime Silbiger

Bracha Steinfeld

Jeremy Kahn

Bentzion Belen

Deb Chapman

Nelly Dombroff

Shlomo Fisher

Batsheva Franco

Julie Friedman

Simon Gelbtuch

Rivka Hammelburger

Shaye Hamburger

Jennifer Hollander

Joshua Jacobs

Mark Kantor

Isaac Koenig

Dov Kravetz

Sam Kravetz

Nechama Mael

Sean Manne

Marc Mermelstein

Kenneth Milgraum

Isaac Neumann

Pearl Reich

Ben Steinfeld

Sharon Steinfeld

Leah Sternbuch

Jack Teitelbaum

Dov Weller