Marianna Castellanos

Graphic Design Intern at Redpath Mining – Global Marketing

Developed the layout and visual system for the Redlife Program Handbook; redesigned educational materials to improve clarity and accessibility; created social media graphics and educational posters; adapted content to international audiences while applying brand guidelines; collaborated with internal teams to align with training objectives and global outreach.

Visual Design Communication Liaison at Cambrian College International Department

Designed posters, social media graphics, and digital newsletters to support international student recruitment and events; produced culturally responsive materials and served as department photographer; collaborated with the International team to develop assets for educational initiatives and outreach; maintained brand consistency across design and photography.

Freelance Graphic Designer at CAMS Ontario Provincial Police

Redesigned internal newsletter and public-facing brochure to improve clarity and visual appeal; applied brand guidelines to enhance readability and accessibility across print and digital formats; collaborated with stakeholders to ensure designs met communication goals and community engagement.

Customer Service Representative at TELUS International Guatemala

Delivered 100% issue resolution and high customer satisfaction; strengthened communication and problem-solving skills in a fast-paced, client-focused environment.

Freelance Graphic Design at CAMS Ontario Provincial Police

Redesigned the organization’s internal newsletter and public-facing brochure to improve clarity, layout, and visual appeal; Applied brand guidelines while enhancing readability and accessibility across print and digital formats; Collaborated with stakeholders to ensure the final designs aligned with communication goals and community engagement.