Telecommunications
10 T-Mobile procurement leaders
These ten people hold or have held procurement, sourcing and source-to-pay leadership roles at T-Mobile across technology, network, enterprise services and marketing categories. A reader can learn how procurement leaders at T-Mobile build and run their teams.
Professionals to explore
01—10Ana Hemmert
LinkedInExperience: Director, Technology Procurement · T-Mobile
Director, Technology Procurement at T-Mobile since October 2020; the profile says Ana Hemmert leads the Portfolio Optimization, National Lease Governance and MLA teams responsible for national lease renewal and optimization programs. Former Sr. Manager, NRE Business Operations at T-Mobile (2017–2020) and Manager, Network Real Estate at Sprint (2013–2016).
Andrew Baffney
LinkedInExperience: Director, Product Management - Sourcing & Supplier Management · T-Mobile
Director, Product Management - Sourcing & Supplier Management at T-Mobile since October 2018, a director-level role according to the profile. Andrew Baffney has also held Senior Manager, Inventory Planning & Procurement (listed from 2012 with no end date), Senior Planner, Inventory Planning & Procurement (2009–2011) and Senior Buyer (2007–2009) roles at T-Mobile.
Brad Roberts
LinkedInExperience: Executive, Senior Director, Source to Pay · T-Mobile
Executive, Senior Director, Source to Pay at T-Mobile since October 2024, leading Source to Pay in the Magenta Service Center, a shared services center, according to the profile. Brad Roberts was also Senior Director, Global Procurement - Procure to Pay at Walmart (2019–2024) and Senior Director, Global Business Services - Procurement at Walmart (2014–2016).
David Hale
LinkedInExperience: Director, Head of Marketing & Supply Chain Procurement · T-Mobile
Former Director, Head of Marketing & Supply Chain Procurement at T-Mobile (2021–2026), where the profile says David Hale led marketing and supply chain category teams influencing $6B of spend. Also Director, Enterprise Corporate Services Procurement & Procurement Operations at T-Mobile (2018–2021), and Associate Director, Transportation Procurement at Chewy since September 2026.
Douglas Brown
LinkedInExperience: Director of Procurement · T-Mobile
Former Director of Procurement at T-Mobile (2003–2010) and Senior Manager, Supplier Management at T-Mobile (2011–2016), a role in which the profile says Douglas Brown managed T-Mobile's supplier relationships with two OEM handset suppliers. Also Senior Manager, Supply Chain at ZTE Corporation (2016–2020).
Manoj Kumar
LinkedInExperience: Senior Director - Technology Procurement · T-Mobile
Senior Director - Technology Procurement at T-Mobile since April 2019, and former Director-Technology Procurement (2017–2019) and Senior Manager-Technology Sourcing (2015–2017) at T-Mobile. The profile describes Manoj Kumar as a senior director of technology sourcing and strategic procurement and cites $1.4B+ in spend.
Olga Perelman
LinkedInExperience: Sr. Director, Enterprise Services & Social Responsibility Procurement · T-Mobile
Sr. Director, Enterprise Services & Social Responsibility Procurement at T-Mobile since March 2021, a director-level role according to the profile. Olga Perelman was also Director Strategic Sourcing - Tech & Engineering Services, Hardware, Sustainability at Microsoft (2020–2021), the role listed just before T-Mobile.
Sara Vu Gallagher
LinkedInExperience: Sr Director, Procurement Operations · T-Mobile
Sr Director, Procurement Operations at T-Mobile since December 2025, and former Director, Procurement Operations at T-Mobile (2021–2025). Sara Vu Gallagher was also Director, Financial Planning & Analysis and Strategic Transformation (2018–2021) and Director, Financial Operation (2017–2018) at T-Mobile.
Scott Altemara
LinkedInExperience: Sr. Director - Procurement - Cell Tower Backhaul · T-Mobile
Sr. Director - Procurement - Cell Tower Backhaul at T-Mobile since July 2020, a role the profile describes as national cell tower backhaul sourcing and procurement. Scott Altemara was also Director - Procurement - Cell Tower Backhaul (2018–2020) and Sr. Manager - Procurement - Cell Tower Backhaul (2015–2018) at T-Mobile.
Timothy Kohler
LinkedInExperience: Vice President, Wireless Procurement & Planning · T-Mobile
Former Vice President, Wireless Procurement & Planning at T-Mobile (2013–2016), and Sr. Director, Wireless Products and Head of Asia Office Procurement at T-Mobile (2011–2012). The listing also shows Timothy Kohler as Director, Sourcing & Supplier Management at T-Mobile with dates 2000–2011, and shows retirement from T-Mobile in 2018.
Choose the right perspective
Match the person's category to your question, since technology, network backhaul, enterprise services and marketing purchases involve different suppliers and contract terms. Check whether the person's T-Mobile role is current or past before relying on it for how the company buys today.
Questions to take into the conversation
- 01How does T-Mobile run a sourcing event for a large network or technology contract?
- 02What does a supplier need to show to be added to T-Mobile's supplier base and keep the business?
- 03How does T-Mobile's procurement organization balance cost savings with supplier risk and service quality?
Reaching T-Mobile procurement leaders
How can I contact one of these T-Mobile procurement leaders?
Pick one of the 10 people on this page and choose "Book a paid call", or describe your project to find others. You offer a fee for a 15-minute call or a written answer, Instant Expert finds the person's work email and sends the invitation, and they decide whether to accept. The list covers 1 company: T-Mobile, based on profile data retrieved on October 5, 2026. Being listed here doesn't mean someone has agreed to take calls.
How much does it cost to reach T-Mobile procurement leaders?
You choose the offer, starting at $5 per person. It includes Instant Expert's 20% fee, so an offer that pays the person $100 costs you $125. You're charged only when the person books the call or sends the answer.
What if they don't reply?
You pay nothing. Instant Expert sends follow-up reminders, and if the person hasn't booked or answered within 7 days, the request expires and any hold on your card is released. You can invite several of the 10 people on this list at once and cap your total spend, so you pay only for the ones who accept.
About this directory
This is a professional research starting point based on business profile data retrieved on . Titles and companies reflect that source snapshot and may describe past or present roles. Check the linked profiles for current details. Inclusion does not imply Instant Expert membership or availability.
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