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.

See more

Language

English
Advanced

Work Experience

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.
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.
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