Hey there! I'm Sierra Mammarella, a results-driven Social Media Specialist with over four years of experience in content creation, digital marketing, and community engagement. I excel at building engaging content across Instagram, Facebook, TikTok, Twitter, and LinkedIn, and I love turning data into insight to boost performance. Through social media campaigns, performance analytics, and collaboration with cross-functional marketing teams, I strive to align campaigns with business goals while delivering measurable results. I bring strong organizational skills and a proactive mindset that helps me manage multiple campaigns and priorities in fast-paced environments. I'm excited to connect with teams who value creative storytelling, data-driven decisions, and a positive, collaborative approach to growing brands online.

Sierra Mammarella

Hey there! I'm Sierra Mammarella, a results-driven Social Media Specialist with over four years of experience in content creation, digital marketing, and community engagement. I excel at building engaging content across Instagram, Facebook, TikTok, Twitter, and LinkedIn, and I love turning data into insight to boost performance. Through social media campaigns, performance analytics, and collaboration with cross-functional marketing teams, I strive to align campaigns with business goals while delivering measurable results. I bring strong organizational skills and a proactive mindset that helps me manage multiple campaigns and priorities in fast-paced environments. I'm excited to connect with teams who value creative storytelling, data-driven decisions, and a positive, collaborative approach to growing brands online.

Available to hire

Hey there! I’m Sierra Mammarella, a results-driven Social Media Specialist with over four years of experience in content creation, digital marketing, and community engagement. I excel at building engaging content across Instagram, Facebook, TikTok, Twitter, and LinkedIn, and I love turning data into insight to boost performance. Through social media campaigns, performance analytics, and collaboration with cross-functional marketing teams, I strive to align campaigns with business goals while delivering measurable results.

I bring strong organizational skills and a proactive mindset that helps me manage multiple campaigns and priorities in fast-paced environments. I’m excited to connect with teams who value creative storytelling, data-driven decisions, and a positive, collaborative approach to growing brands online.

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Language

English
Fluent

Work Experience

Supply Chain Distribution Specialist at Aritzia
September 1, 2024 - Present
Contributed to efficient distribution operations by ensuring timely loading and delivery of shipments. Implemented data-driven prioritization to improve team productivity and maintain smooth daily operations.
Digital Social Media Marketing Intern at Whitehorse Financial
February 1, 2024 - May 1, 2024
Developed, launched, and managed social media campaigns across Facebook, Instagram, Twitter, LinkedIn, and TikTok. Analyzed engagement data to create content that resonated with target audiences and boosted online engagement. Optimized posting times using analytics and helped schedule content to increase reach.
Before School & After School Care Assistant at St. Andrew Catholic Elementary School
April 1, 2023 - November 1, 2023
Promoted positive interactions among children; planned and coordinated play activities; maintained safe and hygienic outdoor play areas.
Customer Service Representative & Team Trainer at Fortinos
April 1, 2020 - April 1, 2023
Provided exceptional customer service, assisted with inquiries, and ensured customer satisfaction. Trained new cashiers and supported front-line operations to maintain smooth store interactions. Fostered positive customer experiences.
Student Mentor at Students Working All Together (S.W.A.T.) – Emily Carr Secondary School
September 1, 2021 - June 1, 2022
Mentored incoming high school students, helped them adjust to the school environment, and fostered a welcoming atmosphere. Collaborated on creating infographics and posts for school events and activities.
Business Assistant (Co-op) at Think Compass
September 1, 2021 - January 1, 2022
Gained exposure to business operations, supported project tasks, and assisted with day-to-day activities.
Soccer Coach at Little Kickers York Region
April 1, 2019 - September 1, 2020
Developed and led soccer training sessions for children, teaching basic skills and fostering teamwork. Engaged with parents and community members to support program growth. Promoted events and activities via social media to inform families about upcoming activities.

Education

Diploma in Business Marketing at Humber College
September 1, 2022 - June 1, 2024
Ontario Secondary School Diploma at Emily Carr Secondary School
September 1, 2018 - June 1, 2022

Qualifications

Add your qualifications or awards here.

Industry Experience

Retail, Education, Media & Entertainment, Professional Services, Software & Internet