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Jonathan Hammer Email & Phone Number

Director of Financial and Credit Services at Diamonds International
Location: New York, United States 7 work roles 2 schools
1 work email found @diamondsinternational.com LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

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Work email h****@diamondsinternational.com
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Current company
Role
Director of Financial and Credit Services
Location
New York, United States
Company size

Who is Jonathan Hammer? Overview

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Quick answer

Jonathan Hammer is listed as Director of Financial and Credit Services at Diamonds International, a with 1241 employees, based in New York, United States. AeroLeads shows a work email signal at diamondsinternational.com and a matched LinkedIn profile for Jonathan Hammer.

Jonathan Hammer previously worked as Director of Financial & Credit Services at Diamonds International and Senior Financial Analyst at Diamonds International. Jonathan Hammer holds Master Of Business Administration (M.B.A.), Finance from Saint Joseph'S University - Erivan K. Haub School Of Business.

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Email format at Diamonds International

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{last}@diamondsinternational.com
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Profile bio

About Jonathan Hammer

Experienced Senior Financial Analyst with a demonstrated history of working in the FP&A industry. Skilled in Business & Financial Planning, Accounts Receivable, Margin & Cost Analysis, Microsoft Office, Quickbooks, Communications and Account Management. Strong Finance and Communications background, with a Master of Business Administration (M.B.A.) focused in Finance from Saint Joseph's University.

Listed skills include Press Releases, Event Planning, Public Relations, Data Entry, and 17 others.

Current workplace

Jonathan Hammer's current company

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Diamonds International
Diamonds International
Director of Financial and Credit Services
New York, NY, US
Employees
1241
AeroLeads page
7 roles

Jonathan Hammer work experience

A career timeline built from the work history available for this profile.

Director Of Financial & Credit Services

Current

New York, New York, Us

Jun 2021 - Present

Senior Financial Analyst

New York, New York, Us

Almod Ltd/Diamonds International is one of the largest jewelry retailers in the world, privately owning and operating over 125 stores in the Caribbean, Mexico, St Maarten and Alaska.• Review key internal financial accounts & conduct ad-hoc financial analysis to ensure system generated and manual transactions are maintained properly.• Analyzing and forecasting revenue trends, monitoring variances and recommending actions to management.• Create, update and maintain department wide policies and procedures, to ensure efficiency of various Finance and Accounting tasks performed.• Research and offer advice on technical accounting matters based upon newly created/changing principles and practices.• Resolve accounts receivable collections by examining payment history, credit line and customer payment plans; coordinating interaction with Finance • Prepare journal entries for asset, liability, and income statement accounts and ensures completeness of procedures in month end closing process.

May 2018 - Jun 2021

Account Manager

Bryn Mawr, Pa, Us

Cornerstone Family Office is a privately held, fee-only, boutique Multi-Family Office (MFO). We provide a complete range of Wealth Management and Lifestyle & Concierge Services to highly successful individuals and families of exceptional wealth. Serving as Chief Financial Officer (CFO), Chief of Staff and Executive Assistant for our clients, we play a critical role in helping them manage their wealth and simplify their complex lives. Clients rely on us for unbiased, objective advice and superior service to give them peace of mind knowing someone is watching over their assets, coordinating the efforts of their entire advisory team and overseeing the day-to-day administration of their affairs. As a result, our clients are able to focus more of their time and attention on the things they value most; their family, their business and their community.• Cornerstone Family Office is a privately held, fee-only, boutique Multi-Family Office (MFO), providing a range of Wealth Management and Lifestyle & Concierge Services to businesses and families of exceptional wealth. • Responsibilities included, but were not limited to:• Prepared Monthly, Quarterly and Annual Financial reports for clients• Assisted the Finance team with day to day, monthly and year-end operations • Asset management (families of $100M+ in net worth, both as advisor and reviewer)• Client Account and Cash management• Process payroll and bills for clients (firms sized 10-50 employees)• Oversaw and Managed Accounts Payable and Client Expenses• Maintained General Ledger for numerous clients

Mar 2017 - May 2018

Enrollment Coordinator

Bryn Mawr, Pennsylvania, Us

-Manage, coordinate and foster communication between on site staff, headquarters employees and clients for Montgomery School, Norwood Fontbonne Academy, Riverdale Country School and Union Soccer School locations.-Direct and instruct individuals within ESF on admissions and enrollment input of client information/materials.-Communicating with customers on the overall execution and enrollment process occurring throughout the calendar year, including grouping requests, accounting and balance situations, special need intakes and financial aid requests for Montgomery School, Norwood Fontbonne Academy, Riverdale Country School and Union Soccer School sites.-Coordinate customer requests, enrollment, sales calls, change of enrollment requests and questions between numerous internal departments.-Assist and coordinate transportation services with Riverdale Site Director for efficient and smooth busing for customers throughout Manhattan and other New York City boroughs.

Mar 2014 - Mar 2017

Data Entry Coordinator

Bryn Mawr, Pennsylvania, Us

- Manage and process ESF admission information/materials.- Organize, input and store payment information received from clients.- Foster communication between Admissions and Enrollment departments, while relaying vital information to Management about enrollment and payment trends. - Communicating with customers on the overall execution and enrollment process that occurs for their specific family.- Manage and operate numerous company databases, while leading areas of Data Entry, Enrollment and Payment Execution.- Execute sales and marketing initiative for customer retention and additions.- Coordinate customer requests, enrollment, termination and questions between numerous internal departments.

May 2012 - Mar 2014

Program Director

Vizion Group, Inc.

- Manage and monitor information for National Dog Shows, specifically media and personnel credentials.- Create and publish press releases, TV and radio promos, articles and journal entries for the Spotlight Therapy Dog fundraiser at the Ronald McDonald House.- Direct and operate the production of materials regarding National Dog Shows in Philadelphia and Spotlight Therapy Dogs fundraiser including: - Creating and managing budgets- Producing sales reports- Meeting with editorial team to ensure execution on Spotlight Therapy Dog Journal.- Connecting with Therapy Dog programs and owners to coordinate their submission for the journal and attendance at the fundraiser.- Communicating between sponsors, clients and Vizion Group management to direct the behind the scenes aspect of both the National Dog Shows Presented by Purina and Spotlight Therapy Dogs.

Aug 2013 - Dec 2013
Team & coworkers

Colleagues at Diamonds International

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2 education records

Jonathan Hammer education

Master Of Business Administration (M.B.A.), Finance

Saint Joseph'S University - Erivan K. Haub School Of Business

Bachelor Of Arts (Ba), Communication And Media Studies, English

Ursinus College
FAQ

Frequently asked questions about Jonathan Hammer

Quick answers generated from the profile data available on this page.

What company does Jonathan Hammer work for?

Jonathan Hammer works for Diamonds International.

What is Jonathan Hammer's role at Diamonds International?

Jonathan Hammer is listed as Director of Financial and Credit Services at Diamonds International.

What is Jonathan Hammer's email address?

AeroLeads has found 1 work email signal at @diamondsinternational.com for Jonathan Hammer at Diamonds International.

Where is Jonathan Hammer based?

Jonathan Hammer is based in New York, United States while working with Diamonds International.

What companies has Jonathan Hammer worked for?

Jonathan Hammer has worked for Diamonds International, Cornerstone Family Office, Llc, Esf, Inc., and Vizion Group, Inc..

Who are Jonathan Hammer's colleagues at Diamonds International?

Jonathan Hammer's colleagues at Diamonds International include Keisha Carmichael, Sophie Thorne, Michele - Anne Ghirawoo, Maria Esther Lira Escobar, and Kurt Crosdale.

How can I contact Jonathan Hammer?

You can use AeroLeads to view verified contact signals for Jonathan Hammer at Diamonds International, including work email, phone, and LinkedIn data when available.

What schools did Jonathan Hammer attend?

Jonathan Hammer holds Master Of Business Administration (M.B.A.), Finance from Saint Joseph'S University - Erivan K. Haub School Of Business.

What skills is Jonathan Hammer known for?

Jonathan Hammer is listed with skills including Press Releases, Event Planning, Public Relations, Data Entry, Event Management, Microsoft Excel, Public Speaking, and Community Outreach.

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