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@mariakellum
Operations supervisor skilled in logistics, customer service, and team leadership.
I am an accomplished operations supervisor with hands-on experience leading teams in high-volume retail, banking, and warehouse environments. I consistently drive performance by training and coaching staff, implementing process improvements, and maintaining strict security and quality standards.
My background includes branch management, outbound shipping operations, and frontline customer service roles where I improved efficiency, ensured on-time fulfillment, and delivered excellent client satisfaction. I bring strong communication skills, bilingual English-Spanish ability, and a proven record of meeting demanding operational targets.
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Work history, roles, and key accomplishments
BMSR Worker's Credit Union
Jan 2024 - Jun 2025 (1 year 5 months)
Handled a wide range of banking transactions with accuracy while promoting financial products and educating customers on digital banking tools. Maintained security protocols, identified suspicious activity, and built strong customer relationships through personalized service.
Walmart
Mar 2023 - Jan 2024 (10 months)
Ensured efficient checkout operations and high-quality customer service in a fast-paced retail environment, handling transactions and multitasking to maintain smooth front-end flow. Resolved customer issues and upheld store standards for speed and accuracy.
Marathon Staffing
Jan 2023 - Dec 2023 (11 months)
Oversaw branch operations including staff supervision, budget management, recruiting, and client relationship management to drive sales and control expenses. Analyzed performance metrics and implemented strategies to improve team productivity and customer satisfaction.
American Eagle / Quiet Logistics
Jan 2021 - Dec 2023 (2 years 11 months)
Directed outbound shipping operations in a high-volume warehouse, improving on-time fulfillment and operational accuracy by implementing performance metrics and training programs. Coordinated workflows across inventory, packing, and transportation to reduce delays and boost productivity.
Cumberland Farms
Jan 2020 - Dec 2021 (1 year 11 months)
Provided exceptional customer service, operated POS transactions accurately, managed store presentation, restocking, and assisted with opening/closing and cash reconciliation to ensure smooth store operations.
Hannaford Bros.
Jan 2015 - Dec 2019 (4 years 11 months)
Performed customer service, cashier, deli, and seafood responsibilities across departments, ensuring food safety, cleanliness, and a welcoming environment while maintaining high customer satisfaction from 2015–2019.
Degrees, certifications, and relevant coursework
Diploma, Technical Education
Completed a diploma program at Leominster Center for Technical Education, finishing in 2013.
Bachelor of Arts, Arts
Earned a Bachelor of Arts degree from Fitchburg State University.
Software and tools used professionally
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