John Rosenberg
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John Rosenberg Email & Phone Number

Chief Financial Officer Operations at Kehillah Jewish High School at On the T/Media One
Location: San Mateo, California, United States 7 work roles 2 schools
1 work email found @sonic.net 2 phones found area 650 LinkedIn matched
✓ Verified Jul 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 2 phones

Work email j****@sonic.net
Direct phone (650) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Chief Financial Officer Operations at Kehillah Jewish High School
Location
San Mateo, California, United States

Who is John Rosenberg? Overview

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Quick answer

John Rosenberg is listed as Chief Financial Officer Operations at Kehillah Jewish High School at On the T/Media One, based in San Mateo, California, United States. AeroLeads shows a work email signal at sonic.net, phone signal with area code 650, and a matched LinkedIn profile for John Rosenberg.

John Rosenberg previously worked as Chief Financial Officer Operations at Kehillah Jewish High School and Acting Controller & CFO at On The T/Media One. John Rosenberg holds Mba, Finance from University Of San Francisco School Of Management.

Company email context

Email format at On the T/Media One

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*@sonic.net
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AeroLeads found 1 current-domain work email signal for John Rosenberg. Compare company email patterns before reaching out.

Profile bio

About John Rosenberg

Finance Leader with 15+ years of delivering results. Now open to new opportunities.Just completed in finance projects for two Silicon Valley companies.• Strategic role in closing a $50 million acquisition. • Built forecasting models to identify new revenue streams resulting in 20% more top line growth.• Reduced insurance costs by 40% through vendor contract negotiations.• Restructure and recapitalize subsidiary balance sheet resulting in over $3m in new capital.Key employers: Apple, Bank of America and Bookrenter, MediaOne

Listed skills include Financial Reporting, Finance, Financial Modeling, Strategy, and 27 others.

Current workplace

John Rosenberg's current company

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On the T/Media One
On The T/Media One
Chief Financial Officer Operations at Kehillah Jewish High School
AeroLeads page
7 roles · 30 years

John Rosenberg work experience

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

Role listed

On The T/Media One

Acting Controller & Cfo

On The T/Media One

Responsible for general accounting, cash management, and finance for a multi-company enterprise. - Managed financial reporting and budgeting including Balance Sheet, P&L, Cash Flow and analysis. - Negotiated with note holders and investors regarding interest repayment streams resulting in savings of over $500,000.- Developed short- and long-range forecasting models for various business assumptions for the sale/acquisition of businesses. Strategized with executives to evaluate alternatives.- Performed comprehensive cash management for multi-company entities resulting in saving $140,000 in additional debt and equity investment.

Nov 2008 - Sep 2018

Controller

Bookrenter.Com

Managed all accounting, A/P, A/R, F/A, inventory, equity, tax for a revenue-generating start-up. Prepared budget, forecast, reporting including B/S, P&L, Cash Flow and analysis. Implemented processes, controls to ensure financial integrity and best practices.- Redesigned G/L and accounting function to ensure corporate books are auditable and complete to determine company valuation.- Reconciled books for inception-to-date within 90 days of hire.- Managed project to document business cycle including recommendations for improvements resulting in changes to vendor transaction and credit card payment validation.- Established credit line with key vendor eventually obtaining a 4X increase due to superior cash management and negotiations.- Created first-ever budget/forecast cycle giving discipline & transparency to spending & margins.- Developed short- and long-range models for various growth assumptions.- Strategized with executives and board to evaluate alternatives.

2007 - 2008 ~1 yr

Director Of Finance, Accounting & Hr

Airtrade International

Forecasted all cash requirements and obligations as a basis for recommending a course of action. Generate all financial reporting and interpret results to all levels of management. Led technology and customer service project teams to ensure developing system designs satisfy the needs of operations, finance and accounting departments.- Researched, recommended and implemented front-end credit card payment processor and back-end accounting systems of record within 9 months ofjoining firm.- Negotiated and executed agreement for payment processor thereby saving the company $2 million in annualized expenses.- Closely monitored income, expense, cash and cash flow to maximize predictability and stability as company grows to over $40 million in gross sales.- Led company in establishing retirement and contribution plan tailored to meet the needs of startup.

2006 - 2007 ~1 yr

Controller/Director Of Finance

Rmc/Venture Associates

Created and managed accounting, financial planning, reporting systems and processes for professional web services, power technology and dot.com companies. Prepared balance sheet, income statement and cash flow analysis and reporting for internal and external use. Developed and prepared financial models and analysis of income statement and cash flow forecasts for presentation to the investment banking and venture capital community.- Led efforts in collecting over $1 million in receivables for power technology company.- Assisted in raising over $500,000 in seed capital for web services company.- Advised President and CEO regarding strategies and scenarios for presentations to private equity and venture capital investors resulting in better valuations by 10%-20% and higher potential investments.

2000 - 2005 ~5 yrs

Portfolio Manager, Senior Analyst

Cupertino, California, Us

Initiated review of Treasury’s written policies and implemented new policies and procedures. Promoted compliance and controls of $3.2 billion investment portfolio via standardized reports and tracking therebyreducing reporting cycle time from two days to two hours.- Managed and traded $2 billion investment portfolio ensuring acceptable returns and compliance with reporting requirements leading to over $50 million in annualized revenue.- Reduced investment portfolio risk more than 15% by leading conversion of $2 billion investment portfolio to custodian account.- Created credit risk program and analysis process of its counterparties and issuers thereby reducing portfolio risk by over 10%.

1997 - 2000 ~3 yrs
2 education records

John Rosenberg education

Mba, Finance

University Of San Francisco School Of Management

B.A, Psychology, Economics:Minor

Uc San Diego
FAQ

Frequently asked questions about John Rosenberg

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

What company does John Rosenberg work for?

John Rosenberg works for On the T/Media One.

What is John Rosenberg's role at On the T/Media One?

John Rosenberg is listed as Chief Financial Officer Operations at Kehillah Jewish High School at On the T/Media One.

What is John Rosenberg's email address?

AeroLeads has found 1 work email signal at @sonic.net for John Rosenberg at On the T/Media One.

What is John Rosenberg's phone number?

AeroLeads has found 2 phone signal(s) with area code 650 for John Rosenberg at On the T/Media One.

Where is John Rosenberg based?

John Rosenberg is based in San Mateo, California, United States while working with On the T/Media One.

What companies has John Rosenberg worked for?

John Rosenberg has worked for On The T/Media One, Kehillah Jewish High School, Bookrenter.Com, Airtrade International, and Rmc/Venture Associates.

How can I contact John Rosenberg?

You can use AeroLeads to view verified contact signals for John Rosenberg at On the T/Media One, including work email, phone, and LinkedIn data when available.

What schools did John Rosenberg attend?

John Rosenberg holds Mba, Finance from University Of San Francisco School Of Management.

What skills is John Rosenberg known for?

John Rosenberg is listed with skills including Financial Reporting, Finance, Financial Modeling, Strategy, Start Ups, Accounting, Internal Controls, and Strategic Financial Planning.

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