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Greg Halfen Email & Phone Number

Finance Manager, Financial Planning and Analysis - Supply Chain at T-Mobile
Location: Maple Valley, Washington, United States 7 work roles 1 school
3 work emails found @t-mobile.com LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

Contact Signals · 3 work emails

Work email g****@t-mobile.com
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Current company
Role
Finance Manager, Financial Planning and Analysis - Supply Chain
Location
Maple Valley, Washington, United States
Company size

Who is Greg Halfen? Overview

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Quick answer

Greg Halfen is listed as Finance Manager, Financial Planning and Analysis - Supply Chain at T-Mobile, a company with 77533 employees, based in Maple Valley, Washington, United States. AeroLeads shows a work email signal at t-mobile.com and a matched LinkedIn profile for Greg Halfen.

Greg Halfen previously worked as Senior Financial Analyst - Supply Chain at Starbucks and Equipment Service Specialist - Vendor Management, Foodservice at Starbucks Coffee Company. Greg Halfen holds Bachelor Of Arts, History And Economics from St. John'S University.

Company email context

Email format at T-Mobile

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{first}.{last}@t-mobile.com
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AeroLeads found 3 current-domain work email signals for Greg Halfen. Compare company email patterns before reaching out.

Profile bio

About Greg Halfen

• Authored CFO presentations and reporting• Ability to analyze large amounts of data to make important business recommendations• Implemented improvements using methods from e.g. Lean, Six Sigma• Examine and interpret data that is considered too obscure for relevance• Created reporting tools with a variety of programs (Access, Excel, OBIEE, Oracle, Brio, Hyperion, Map Point, HTML, VBA, and SQL)• Created new and modified existing training materials• Gathered business requirements for new and existing systems• Analyzed business and systems processes for enhancements• Created new data bases for reporting• Maintained relationships with vendors • Created and analyzed key metrics for solutions to better practices • Ability to self-teach and master new systems and programs quickly• Taught training consultants on business practices for business unit• Strong communicator and planner with exceptional multitasking skills• Instrumental in identifying improvements in business critical reports• Preformed repairs and testing on electrical equipment• Effective troubleshooting and problem solving skills on various equipment• Led teams and managed time and effectiveness to best suit customers' needs• Able to effectively instruct new subjects to adult learners• Provided and presented executive financial results

Listed skills include Data Analysis, Forecasting, Vendor Management, Customer Service, and 31 others.

Current workplace

Greg Halfen's current company

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T-Mobile
T-Mobile
Finance Manager, Financial Planning and Analysis - Supply Chain
bellevue, washington, united states
Website
Employees
77533
AeroLeads page
7 roles · 19 years

Greg Halfen work experience

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

Finance Manager, Financial Planning And Analysis - Supply Chain

Current

Greater Seattle Area

  • Manage $214M in remanufacturing expense, $367M in remanufacturing COGs, $120M in program fulfillment, and $112M in stretch targets (new initiatives driving efficiencies) totaling ~$1B annually
  • Consolidate and present monthly financials to Senior Leadership (Finance and Operational)
  • Provide strategic recommendations with analysis for the most favorable outcomes in the remanufacturing process
  • Designed and built consolidation database for Supply Chain Financials
  • Created financial modeling and forecasting for device COGs returned in and remanufacturing process in reverse logistics
  • Provided in month actionable items to guide Operations on meeting budget targets
Aug 2016 - Present

Senior Financial Analyst - Supply Chain

Greater Seattle Area

  • Designed, built and maintained complex financial models based on key business metrics representing long range financial plans and planning scenarios
  • Delivered meaningful, accurate, and timely financial analysis for a $350M spend for month end, quarter end and year end closing to Senior Leadership
  • Created accurate budget forecasting models rolling from details to executive level summaries
  • Built and instituted standardized and repeatable processes and procedures
  • Redesigned and implemented a standardized accrual process on 100+ suppliers for month end closing
  • Presented guidance on balance sheet quarterly accruals and releases
Feb 2005 - Aug 2016

Equipment Service Specialist - Vendor Management, Foodservice

Greater Seattle Area

  • Managed a $9.6 million forecasted M&R budget for 17k accounts
  • Created and provided detail analysis of coverage, cost, and service provided on vendors
  • Identified areas where functional improvements are needed and implemented new practices
  • Provided analysis on equipment service vendors
  • Managed 100 equipment service vendors
  • Created and monitored key metrics for service vendors
Feb 2005 - Jul 2016

Operations Specialist - Channel Development Operations

Greater Seattle Area

  • Analyzed existing customer data and provided recommendations to sales team
  • Developed forecasting models and tools
  • Provided support to field sales team in operations decisions to manage their customers
  • Consulted and managed equipment service technicians on equipment repairs
  • Primary Foodservice contact for issues regarding systems (Oracle, JDA)
  • Trouble shot issues and escalate issues as appropriate
Feb 2005 - Jul 2016

Business Analyst - Channel Planning

Greater Seattle Area

  • Devised logic to apply to data to show key metrics
  • Built new tools (data bases and queries) to create reports and audits
  • Created dashboards in Excel and BI systems for multiple business units
  • Brought multiple sources of data together into a relationship data base
  • Provided data analysis to internal customers (field sales team)
  • Worked with multiple data sources to create key metrics
Feb 2005 - Jul 2016

Volunteer Hill Patroller

Alpental Volunteer Ski Patrol

Alpental, WA

  • Provided lifesaving first aid
  • Monitoring and recording vitals
  • Package and transport those in need to secondary care
  • Ski patrol instructor
2007 - Dec 2015

Staffing Specialist

Manpower At Manpower

* Recruited qualified candidates* Developed new business* Assigned staffing resources to fill customer orders* Guided and counseled temporaries and new applicants* Worked with potential and current customers to expand business partnership

May 2004 - Dec 2004
Team & coworkers

Colleagues at T-Mobile

Other employees you can reach at tmobile.com. View company contacts for 77533 employees →

1 education record

Greg Halfen education

FAQ

Frequently asked questions about Greg Halfen

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

What company does Greg Halfen work for?

Greg Halfen works for T-Mobile.

What is Greg Halfen's role at T-Mobile?

Greg Halfen is listed as Finance Manager, Financial Planning and Analysis - Supply Chain at T-Mobile.

What is Greg Halfen's email address?

AeroLeads has found 3 work email signals at @t-mobile.com for Greg Halfen at T-Mobile.

Where is Greg Halfen based?

Greg Halfen is based in Maple Valley, Washington, United States while working with T-Mobile.

What companies has Greg Halfen worked for?

Greg Halfen has worked for T-Mobile, Starbucks, Starbucks Coffee Company, Alpental Volunteer Ski Patrol, and Manpower At Manpower.

Who are Greg Halfen's colleagues at T-Mobile?

Greg Halfen's colleagues at T-Mobile include Tyriq Kingston, Christl Van ' T Hof, Salty Doodle, Joseph Dimian, and Maxine Powell.

How can I contact Greg Halfen?

You can use AeroLeads to view verified contact signals for Greg Halfen at T-Mobile, including work email, phone, and LinkedIn data when available.

What schools did Greg Halfen attend?

Greg Halfen holds Bachelor Of Arts, History And Economics from St. John'S University.

What skills is Greg Halfen known for?

Greg Halfen is listed with skills including Data Analysis, Forecasting, Vendor Management, Customer Service, Process Improvement, Cross Functional Team Leadership, Market Research, and Market Analysis.

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