I'm Sithira Dewasurendra, a Presentation Specialist and Graphic Designer with 9+ years turning complex ideas into visually compelling pitch decks, board packs, and marketing collateral for C-suite leaders, startups, and global SMEs. I blend graphic design, visual storytelling, and data-driven narrative structure to influence funding, sales, and strategic decisions. I excel at leading cross-functional design teams, standardizing brand-aligned slide libraries, and delivering 90+ client wins across North America and Europe. My goal is to translate insights into persuasive visuals that accelerate growth and align stakeholders.

Sithira Dewasurendra

I'm Sithira Dewasurendra, a Presentation Specialist and Graphic Designer with 9+ years turning complex ideas into visually compelling pitch decks, board packs, and marketing collateral for C-suite leaders, startups, and global SMEs. I blend graphic design, visual storytelling, and data-driven narrative structure to influence funding, sales, and strategic decisions. I excel at leading cross-functional design teams, standardizing brand-aligned slide libraries, and delivering 90+ client wins across North America and Europe. My goal is to translate insights into persuasive visuals that accelerate growth and align stakeholders.

Available to hire

I’m Sithira Dewasurendra, a Presentation Specialist and Graphic Designer with 9+ years turning complex ideas into visually compelling pitch decks, board packs, and marketing collateral for C-suite leaders, startups, and global SMEs. I blend graphic design, visual storytelling, and data-driven narrative structure to influence funding, sales, and strategic decisions.

I excel at leading cross-functional design teams, standardizing brand-aligned slide libraries, and delivering 90+ client wins across North America and Europe. My goal is to translate insights into persuasive visuals that accelerate growth and align stakeholders.

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Language

English
Advanced

Work Experience

Founder & Managing Partner at CoGenius – Creative & Digital Agency
February 1, 2024 - October 1, 2024
Led end-to-end creation of pitch decks, sales enablement slides, and social media visuals for 45+ SME clients in North America & Europe, fueling client acquisition growth. Directed a multidisciplinary team (design, copy, motion) delivering brand-consistent collateral across print and digital channels. Designed data-rich templates enabling consultants to self-serve future presentations. Drove US go-to-market strategy with visually led outbound campaigns.
Chief Growth Officer at AION – Tech Group
October 1, 2023 - October 1, 2024
Crafted executive-level investor and board decks used to secure expansion funding and new cybersecurity training partnerships. Standardised slide templates and brand assets, cutting deck-production time by 40%. Partnered with founders to spin up new SaaS and training verticals; produced launch presentations and sales kits for each. Guided design team on motion graphics and data-visual workstreams.
Director – Business & Digital Marketing at Horizon Capital HR Consultancy
April 1, 2023 - September 1, 2023
Produced corporate profiles, service brochures, and investor packs that underpinned new market entries. Managed all organisational documents (contracts, onboarding kits) ensuring brand and formatting consistency. Created still & animated social graphics, elevating follower engagement by 60%.
Head of Business Development at AION
October 1, 2020 - October 1, 2023
Built cybersecurity managed-service pitch materials adopted across regional sales teams. Established Aion Campus; delivered slide decks for professional education programs in cybersecurity, AI & data science.
Business Development Executive at Sierra Construction Ltd.
April 1, 2018 - October 1, 2020
Supported CMO with partner proposals and client presentations for telecom and IoT projects.
Freelance Graphic & Presentation Designer
January 1, 2015 - Present
Designed marketing and investor decks for tech startups, FMCG brands, and NGOs across APAC, MENA & North America. Ghost-designed keynote speeches and award-ceremony visuals, praised for clarity and impact.

Education

Master of International Business at Monash University
January 11, 2030 - January 1, 2017
Bachelor of Business & Commerce at Monash University
January 11, 2030 - January 1, 2015

Qualifications

Toastmasters Competent Communicator (CC)
January 1, 2014 - December 1, 2025
Certificate in Business Accounting – CIMA (UK)
January 1, 2013 - December 1, 2025
IELTS Overall Band 7.0
January 1, 2011 - December 1, 2025

Industry Experience

Software & Internet, Professional Services, Media & Entertainment, Education, Computers & Electronics