Quintin Grammer
Summary
Results-driven sales professional with 8+ years of experience driving revenue growth, customer acquisition, and strategic relationship development within the telecommunications industry. Currently serving as a Business Account Executive with T-Mobile, managing a portfolio of 1,200+ business accounts while generating pipeline through prospecting, consultative selling, account expansion, and customer retention initiatives. Selected for a high-performance T-Mobile for Business pilot program supporting both inbound and outbound sales channels, strengthening expertise across business development, account management, and solution-based selling. Experienced collaborating with Enterprise Account Executives and Major Account Executives on complex business opportunities while delivering tailored technology solutions that align with customer objectives and drive long-term customer value.
Overview
7
7
years of professional experience
Work History
Business Account Executive / Business Telesales
T-Mobile
Irving
03.2025 - Current
- Manage a portfolio of more than 1,200 business accounts focused on revenue growth, customer retention, and strategic account development.
- Generate pipeline through outbound prospecting, referral generation, account reviews, and solution-based sales engagements.
- Selected for a high-performance pilot program supporting both inbound and outbound T-Mobile for Business sales channels.
- Identify business challenges and align wireless and technology solutions to customer objectives.
- Collaborate with Enterprise Account Executives and Major Account Executives on larger and more complex opportunities.
- Maintain pipeline visibility through CRM management, forecasting, and opportunity tracking.
- Drive customer retention and account expansion through proactive relationship management and strategic business reviews.
- Leverage a consultative sales approach to uncover customer needs and position tailored solutions.
Retail Store Manager
MobileOne / T-Mobile
Weatherford
03.2022 - 03.2025
- Led a high-performing sales organization responsible for exceeding revenue, customer acquisition, and operational goals.
- Rebuilt and developed top-performing teams through coaching, accountability, and performance management.
- Implemented customer referral and relationship-building strategies that increased revenue opportunities and customer loyalty.
- Managed forecasting, operational execution, customer experience initiatives, and business planning.
- Developed future leaders through coaching and professional development.
Assistant Manager
MobileOne LLC / T-Mobile
Weatherford
11.2020 - 03.2022
- Ranked among the organization's top-performing sales professionals through consultative customer engagement and solution-based selling.
- Supported sales initiatives focused on revenue growth, customer acquisition, and operational performance.
- Trained and coached team members on sales strategy, customer discovery, and customer relationship management.
Mobile Expert
MobileOne LLC / T-Mobile
Weatherford
08.2019 - 11.2020
- Consistently exceeded sales goals through consultative selling and tailored technology recommendations.
- Cultivated long-term customer relationships, resulting in increased referrals and repeat business.
- Established expertise in wireless products, services, and business technology solutions to enhance customer support.
Education
High School Diploma -
Springtown High School
Springtown, TX01-2016
Skills
- Account Management
- Business Development
- Consultative Selling
- Strategic Prospecting
- Lead generation
- Pipeline Generation
- Sales Forecasting
- Customer Relationship Management
- Strategic Account Planning
Accomplishments
- Selected for T-Mobile for Business Virtual Telesales Pilot Program
10-Time 21 Club Winner
ULB Champion (April 2024)
ULB Champion (May 2024)
Timeline
Business Account Executive / Business Telesales
T-Mobile
03.2025 - Current
Retail Store Manager
MobileOne / T-Mobile
03.2022 - 03.2025
Assistant Manager
MobileOne LLC / T-Mobile
11.2020 - 03.2022
Mobile Expert
MobileOne LLC / T-Mobile
08.2019 - 11.2020
High School Diploma -
Springtown High School