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Tanisha Castellino

@tanishacastellino

Digital marketer at NIU Health Tech INC who established its social presence and email program, generating 12 qualified leads.

United States

Message

At NIU Health Tech INC, I established NIU Health's social media presence across Instagram, Facebook, and TikTok, achieving 4.78% engagement and a 1.75% CTR. I also built the email marketing function in SendGrid, generating 12 qualified leads.

Previously, I directed digital marketing strategy for 15+ U.S. consumer brands at SocioSquares LLP, increasing engagement by 20%. At WiseApe LLP, I managed integrated strategies for 10+ brands, increasing social presence by 42%.

Experience

Work history, roles, and key accomplishments

Digital Marketing Intern

NIU Health Tech INC

Sep 2025 - May 2026 (8 months)

Established NIU Health's social media presence across Instagram, Facebook, and TikTok, achieving 4.78% engagement and 1.75% CTR. Built email marketing in SendGrid, generating 12 qualified leads with 50% unique open rate.

Social Media Strategy Content Strategy Email Marketing Sendgrid Audience Segmentation KPI Dashboards performance reporting Landing Page Optimization

Social Media Marketing Manager

PISA (Campus Organization)

Jun 2025 - May 2026 (11 months)

Led social media strategy, content calendar, and campaign execution, generating 25K+ views with 1.8% engagement.

Social Media Strategy Content Calendar Campaign Execution Engagement

Digital Marketing Manager

SocioSquares LLP

Sep 2023 - May 2024 (8 months)

Directed end-to-end digital marketing strategy for 15+ U.S. consumer brands, increasing engagement by 20%. Built performance reporting frameworks and lifecycle email campaigns using Mailchimp, SendGrid, and HubSpot.

Digital Marketing Campaign Management performance reporting Email Marketing Mailchimp Sendgrid HubSpot A B Testing Audience Segmentation Cross functional Coordination

Senior Account Executive

WiseApe LLP

Oct 2021 - Sep 2023 (1 year 11 months)

Managed integrated digital marketing strategies for 10+ FMCG, beauty, apparel, and lifestyle brands, increasing social presence by 42%. Developed platform-native content strategies and influencer marketing initiatives.

Digital Marketing Content Strategy Campaign Execution Creative Direction Influencer Marketing Cross Functional Collaboration Brand Positioning

Digital Marketing Intern

Reprographics NZ

Mar 2020 - Oct 2020 (7 months)

Established digital storytelling initiatives by scripting and producing 50+ social posts and brand videos. Built branded email newsletters achieving 90%+ open rates.

Content Creation Social Media Email Marketing Brand storytelling