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Jonathan Warga Email & Phone Number

VP Vendor and Cost Management at CommandLink
Location: Reston, Virginia, United States 10 work roles 2 schools
1 work email found @gtt.net LinkedIn matched
✓ Verified Jul 2026 4 data sources Profile completeness 100%

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Work email j****@gtt.net
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Current company
Role
VP Vendor and Cost Management
Location
Reston, Virginia, United States
Company size

Who is Jonathan Warga? Overview

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Quick answer

Jonathan Warga is listed as VP Vendor and Cost Management at CommandLink, a with 229 employees, based in Reston, Virginia, United States. AeroLeads shows a work email signal at gtt.net and a matched LinkedIn profile for Jonathan Warga.

Jonathan Warga previously worked as VP Vendor & Cost Management at Commandlink and Senior Director of Cost Management at Commandlink. Jonathan Warga holds Bachelor Of Science, Economics from James Madison University.

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jwarga@gtt.net
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Profile bio

About Jonathan Warga

A seasoned financial manager and director of cost assurance with 20 years of cumulative experience performing financial analyses, accounting, and financial modeling for mergers and acquisitions in dynamic business environments. My initiative, attention to detail, and integrity allow me to drive continuous improvements and cost savings for financial processes. I build valuable relationships across staff levels, functions, and organizational boundaries, relying on my strong communication skills to lead internal team members, support external organizational leaders, create high-quality solutions, and achieve results. I hold a dual degree in economics and finance.Key Accomplishments from EXA Infrastructure and GTT Communications, Inc.• Transitioned 50,000 circuits and $10M from EXA invoices to GTT invoices during GTT Infrastructure Division sale to EXA, saving EXA time and ~$3.5M in invoice processing annually.• Collaborated with operations team to identify and resolve broken processes, reducing monthly expenses by $1.5M as director of cost assurance at GTT Communications, Inc.• Monitored and updated financial reporting metrics, including performance tracking. Tracked post-acquisition costs and issues to save $15M in earnout payments as director of M&A at GTT Communications, Inc.• Negotiated M&A purchase prices with sellers and documented related issues, resulting in 20 out of 24 favorable purchase price adjustments. Performed due diligence, finding $2M+ of monthly revenue not previously billed.

Listed skills include Cost Savings Strategies, Research Skills, Accounting, Operational Improvement, and 41 others.

Current workplace

Jonathan Warga's current company

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CommandLink
Commandlink
VP Vendor and Cost Management
Reston, VA, US
Website
Employees
229
AeroLeads page
10 roles · 25 years

Jonathan Warga work experience

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

Vp Vendor And Cost Management

Reston, Va, Us

Vp Vendor & Cost Management

Current

Remote

Aug 2023 - Present

Senior Director Of Cost Management

Jul 2023 - Aug 2024

Director Cost Assurance

Cost Control, Key Performance Indicators, Key Metrics, and Accounts Payable (AP): Developed key performance indicators (KPIs) and metrics to monitor costs and accounts payable (AP).Cost Management, Automation, and Operations Process Improvement: Implemented TEOCO cost management software to automate functions in AP that handled over 2,500 invoices per month valued at $25M. This resulted in more efficient tracking of costs, annual savings of $6M, and a reduced AP headcount by 6 staff. Transition Support, Invoice Processing, and Cost Savings: Transitioned 50,000 circuits and $10M from EXA invoices to GTT invoices during GTT Infrastructure Division sale to EXA, saving EXA time and ~$3.5M in invoice processing annually.

Sep 2021 - Apr 2023

Director Of Cost Assurance

Gtt

Tysons, Va

Team Leadership, Hiring, Training, and Staff Development: Hired, trained, managed, and developed 10 team members in India.Root Cause Analysis and Communication: Analyzed root cause of financial losses, communicating with teams across the organization to find solutions.Dispute Management: Disputed $3M per month with 75%-win rate.Business Process Improvement: Collaborated with operations to identify and resolve broken processes, reducing monthly expenses by $1.5M.

2020 - 2021 ~1 yr

Director Of Mergers & Acquisitions

Gtt

Tysons, Va

Acquisition Analysis, Qualitative Analysis, Quantitative Analysis (Finance), and Risk Assessment: Analyzed potential acquisitions to determine financial impact/returns, which included gaining insights into their fit with current business model and identifying synergies. Assisted with scenario, target company, and asset portfolio analyses. Assessed inorganic growth opportunities and risks and provided recommendations for acquisitions.Financial Modeling and Business Analysis: Performed financial modeling of impact to revenue/cost for divestiture and business development opportunity of EXA sale. Mergers & Acquisitions (M&A) and Bid Preparation: Managed M&A workstreams, processes, and staff to support bid/deal package preparation and presentations.Financial Metrics and Performance Monitoring: Monitored/updated financial reporting metrics, including performance tracking on M&A deals. Tracked post-acquisition costs/issues to save $15M in earnout.Deadline Management, Multitasking, and Priority Management: Employed planning skills and priority management to meet deadlines, complete multiple tasks, and respond to requests and changing seller priorities in fast-paced environments.Acquisition Integration, Cross-Organization Collaboration, and Relationship Building: Collaborated with corporate leaders across organizational boundaries to implement integration company-wide. Developed/maintained strong relationships and worked cross-departmentally with different groups and employee levels.Program Implementation, Inventory Control, and Revenue & Profit Growth: Implemented novation program to control client inventory. Added new revenue with 0% margins initially; built in 25% margin on new revenue after 6 months.Pricing Negotiations and Due Diligence: Negotiated M&A prices with sellers and documented issues, resulting in 20 out of 24 favorable purchase price adjustments. Performed due diligence, finding $2M+ of monthly revenue not previously billed.

Jan 2015 - Dec 2020

Director, Corporate Accounting & Financial Operations

Gtt

Tysons, Va

Managerial Finance, Acquisition Integration, Financial Audits, and Financial Operations: Managed audits, quarterly reviews, earning releases, and all Securities and Exchange Commission (SEC) filings. Performed due diligence, drafted pro forma statements, and integrated financial operations on 17 acquisitions.Team Restructuring, Revenue Assurance, and Expense Reduction: Created cost assurance and revenue assurance teams to save millions in expenses.Generally Accepted Accounting Principles (GAAP) and Financial Statements: Leveraged strong finance skills and an understanding of Generally Accepted Accounting Principles (GAAP) and financial statements to complete daily responsibilities.Month-End Close Process, Written Communication, Oral Communication, and Strategic Leadership: Prepared monthly close packages and responded to all inquiries, relying on superb written and oral communication skills to present ideas clearly with all organization levels. Issue Management and Reporting: Led a small cross-departmental team to investigate and resolve issues, reporting findings and solutions highlighted in the reporting packages.Regulatory Compliance, Sarbanes-Oxley Act, and Transition Management: Supported Sarbanes-Oxley Act compliance efforts during ongoing organizational growth. Drove transition to accelerated SEC filing by automating reconciliations while ensuring proper checks and balances.Database Administration, Financial Data, and Data Integrity: Expanded proprietary network database to ensure financial information accuracy.Cost Savings Strategies: Saved $25M in costs by employing disciplined and rapid integration philosophy.

Jan 2013 - Dec 2014

Manager, Corporate Accounting & Financial Operations

Gtt
Jun 2008 - Dec 2012

Supervisor, Securitization Accounting Department

Sallie Mae

Reston, Virginia, United States

Full Cycle Accounting: Oversaw accounting cycle for a $30B asset-backed commercial paper facility. This included preparing journal entries, reconciling general ledger accounts, compiling and preparing reports, and ensuring accuracy of all cash and intercompany relationships.Debt Management: Monitored daily all outstanding debt and ensured it was properly tracked.Process Improvement Projects: Collaborated on company-wide project to reduce monthly/quarterly closing process from 5 to 2 days.

2004 - 2008 ~4 yrs

Financial Analyst & Accountant

Mci

Ashburn, Virginia, United States

Financial Research: Conducted research to provide detail and supporting documents for international transactions, valuations, inter-company account reconciliations, and profit and loss statements.

2002 - 2004 ~2 yrs
Team & coworkers

Colleagues at CommandLink

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2 education records

Jonathan Warga education

FAQ

Frequently asked questions about Jonathan Warga

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

What company does Jonathan Warga work for?

Jonathan Warga works for CommandLink.

What is Jonathan Warga's role at CommandLink?

Jonathan Warga is listed as VP Vendor and Cost Management at CommandLink.

What is Jonathan Warga's email address?

AeroLeads has found 1 work email signal at @gtt.net for Jonathan Warga at CommandLink.

Where is Jonathan Warga based?

Jonathan Warga is based in Reston, Virginia, United States while working with CommandLink.

What companies has Jonathan Warga worked for?

Jonathan Warga has worked for Commandlink, Exa Infrastructure, Gtt, Sallie Mae, and Mci.

Who are Jonathan Warga's colleagues at CommandLink?

Jonathan Warga's colleagues at CommandLink include Stephanie Beltran, John Machacz, Jenna Sandomire, Dianna Lane, and Rebecca Giannetti-Gollaher.

How can I contact Jonathan Warga?

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

What schools did Jonathan Warga attend?

Jonathan Warga holds Bachelor Of Science, Economics from James Madison University.

What skills is Jonathan Warga known for?

Jonathan Warga is listed with skills including Cost Savings Strategies, Research Skills, Accounting, Operational Improvement, Generally Accepted Accounting Principles, Acquisition Analysis, Root Cause Analysis, and Revenue And Profit Growth.

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