Customer Service Technical Support

Resume

DENISE TEFS

Laredo, TX ***** 956-***-**** *******@*****.***

Professional Summary

Results-driven sales and customer service professional with over 30 years of experience across retail, finance, and

technology industries. Strong expertise in managing client relationships, resolving complex issues, and exceeding

sales goals. Self-motivated entrepreneur and cleaning business owner with proven ability to lead, train, and motivate

teams. Proficient in CRM and support tools such as Salesforce, Zoho, Microsoft 365, Citrix, and VPN.

Core Skills

Customer Service • Sales & Cross-Selling • Credit & Financial Support • Account Management • CRM Tools

(Salesforce, Zoho, SRW, CRW) • Technical Support (Apple, VISA) • Dispute Resolution • Remote Work Experience •

Time Management • Communication • Microsoft 365 • VPN • Citrix • Teams

Professional Experience

Apple / Concentrix (Remote)

Advisor II – Sales & Technical Support 06/2023 – 09/2025

Supported Apple customers with product sales and technical assistance, sold AppleCare, and conducted

troubleshooting for iOS and Mac devices. Required to pass 80%+ assessments.

Goldman Sachs – Apple Card (Remote)

Advisor II – Disputes & Card Support 09/2020 – 06/2023

Assisted Apple Card customers with disputes and fraud investigations, explained account issues, and processed card

replacements using Pega, LivePerson, and Right Answers.

S&P; Data Solutions – ADT (Remote)

Sales & Customer Service Representative 01/2023 – 03/2023

Handled inbound/outbound calls, promoted ADT and Google smart home systems, scheduled installations, processed

payments, and managed virtual appointments.

S&P; Data Solutions – Sprint / T-Mobile Migrations (Remote)

Customer Support & Sales 12/2021 – 01/2023

Guided Sprint customers through T-Mobile migration, handled escalations, billing, and device upgrades, authenticated

accounts, and ensured smooth transitions.

Sierra Living Concepts (Remote)

Sales Associate 07/2018 – 11/2020

Managed online furniture sales, processed orders, handled payments, coordinated deliveries, and provided

chat-based customer service using Zoho CRM.

Homewood Suites, Laredo, TXHousekeeper / Kitchen Attendant 01/2018 – 12/2019, 08/2020 – 10/2020

Performed room assignments, inventory tracking, and daily kitchen management. Created food inventory

spreadsheets and cost management tools.

Education

High School Diploma — Devine High School, Devine, TX (1989)

Major in Business Management • Member of Debate Team, Student Council, and Band

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