David Rajakovich

Acuity Risk Management

At Acuity, we're reimagining cybersecurity risk management for forward-thinking organizations. Unlike conventional security providers who focus solely on frontline defense, we deliver strategic, comprehensive risk intelligence that transforms how businesses understand and mitigate their cyber vulnerabilities.

Our Real Time Risk Engine goes beyond workflow management. We provide continuous, granular monitoring of your IT ecosystem's critical risk factors—tracking everything from unaddressed security patches to physical access vulnerabilities in your most sensitive infrastructure. We don't just identify risks; we provide actionable insights that enable precise, prioritized mitigation strategies.
We understand that today's risk landscapes are complex and ever-evolving. Your current risk register likely represents just a fraction of potential threats. Acuity bridges that knowledge gap, offering expert cyber governance insights that help leadership make informed, strategic decisions about resource allocation and risk management.

Our value proposition is clear: we help you have transparent, data-driven conversations with your Board and stakeholders about cybersecurity. By providing a comprehensive, nuanced view of your organization's vulnerabilities and mitigation efforts, we don't just protect you—we help you demonstrate trustworthiness to customers and partners.

With Acuity, transform cybersecurity from a cost centre to a strategic business enabler.

Chief Executive Officer

SIMCEL

SIMCEL empowers you to visualise the future of your business. Our platform creates a digital twin, allowing you to simulate the impact of various scenarios on key performance indicators (KPIs) such as revenue, profit, working capital, inventory, and carbon footprint.

Why take risks when you can predict outcomes? Before making critical investments, use SIMCEL to forecast the effects on profit and revenue. Our solution integrates Sales and Operations Planning (S&OP) with Financial Planning and Analysis (FP&A) into a unified approach known as Integrated Business Planning (IBP).

With SIMCEL, financially-minded business leaders can go beyond balancing supply and demand. Optimise your decision-making process by understanding the full impact of your choices on your business's financial health and sustainability.

Chief Revenue Officer (CRO)

SETsquared Partnership

Angel Investing and providing strategic and practical guidance to build the next great company.

Entrepreneur in Residence

Skill Dynamics

Key achievements include transforming senior management by adding high-calibre talent, turning strategy into operational reality and developing a trust-based, high performance culture positioning the company for rapid growth. Thrived in a private equity-backed, SaaS environment with an imperative for value creation.

Owned the product with full P&L responsibility - focussing on solving customer business problems through the content and technology components of our product. Created the content function from its inception using the latest in learning technology and developing a framework for how we write content. Built the world-class, highly-rated supply chain content from scratch and created the entire advanced elements of procurement content from its inception. Oversaw the overhaul of our systems including the development of an innovative, multi-tenant Skills Gap Assessment system that greatly improved its intuitiveness from the user's perspective and resulted in a step-change in operational efficiency. Facilitated the transition from one content delivery system to a new Learning Management System which significantly improved engagement. Added a state-of-the-art advanced analytics module that demonstrated client ROI.

Managing Director - Product & Operations

Positive Purchasing

Led the design, development and maintenance of the online academy offering. Implemented IT infrastructure including back-up, security and optimization. Transformed client and internal ideas for applications, enhancements and functionality into reality. Managed in-house and external web development resource. Project managed the development of and created academy multi-media content. Recruited and trained new academy team members. Managed costs to the budget and responsible for overall profitability of the academy offering. 

Led category management, negotiation, Supplier Relationship Management training and consultancy workshops. Developed course material for workshops for all of the above.

Vice President of Online Operations

Led procurement training in category management, Strategic Relationship Management and Negotiation for many global organizations. Created purchasing tools, workbooks, e-learning, and other content. Facilitated the creation of creative strategies across many purchasing categories. Project managed online academy product.

Lead Consultant

Alcoa

Responsible for problem solving, process auditing, restoring production flow, correct usage and problem resolution of Oracle ERP system, and resolving personnel issues in the finishing department of the Downingtown Flexible Packaging Plant. Responsible for meeting production goals, and for ensuring that Environment, Health, and Safety standards are upheld. Also, identified strengths and weaknesses in the finishing process and implemented solutions. Drafted and received approval for multiple major process changes resulting in greater productivity and less waste within 3 months of starting work and continuing throughout time of employment.

Production Supervisor

US Army

Highlights include:
- Chosen above over 50 lieutenants to work directly for the Brigade Commander

- Rated in the “Top 1%” of officers on final Officer Evaluation Report by Brigade Commander

- Selected to represent the Brigade as the Brigade Liaison Officer to 32nd Air and Missile Defense Command during March 2005 Roving Sands/Red Flag Joint Exercise

Air Defense Officer

Co-Founder of REKREATE | Accelerating the pace of office space leasing

I have guided two successful Private Equity exits and led PE-backed companies together with two PE sponsors. My experience spans 11 years at the executive level and more than fourteen years in B2B SaaS. I have lived and worked on three continents, speak Spanish fluently, and enjoy working with people across all different cultures and backgrounds. I have led a SaaS private equity-backed organisation as CEO, delivering procurement and supply chain digital training to over 250 blue-chip clients around the world. 

I started with Skill Dynamics - then known as SiPM - in 2013 as Managing Director – building our product from very early in its development. I created the Content function from its inception using the latest in learning technology. I have overseen the development of our technology to assess, deliver and demonstrate ROI through advanced analytics to our L&D clients. As CEO of Skills Dynamics, we disrupted the procurement and supply chain training industry, opening people’s eyes to the effectiveness of training practitioners digitally.

I am currently CEO at Acuity Risk Management - a publicly-traded Cyber Security Software firm. I possess deep knowledge across all functions within B2B SaaS software enabling me to be a hands-on leader in all aspects of the business from Product to Sales & Marketing. My expertise includes business model creation and development.

Ymn Group Technology

• Managed Shopify store with 100,000+ monthly visitors. Used Google Analytics (GA4) to track user behavior and optimize site for conversions, resulting in a 20% increase in average order value
• Spearheaded a 55% year-over-year revenue growth through rebranding and content strategies on Amazon, utilizing Seller Central, Jungle Scout, and Helium 10
• Coordinated with marketing, sales, IT, and logistics to integrate e-commerce, manage promotional inventory, and reduce excess stock by 19%.
• Facilitated bi-weekly stakeholder meetings to update teams, gather feedback, and align product development milestones with company strategies, increasing alignment with business objectives by 20%.
• Analyzed customer behavior and purchasing patterns, identifying trends that led to a 27% increase in customer retention rates.
• Optimized online customer experience by unifying omnichannel efforts and ensuring a smooth, personalized, and consistent purchase journey.
• Engineered PPC strategies that resulted in a 25% reduction in cost per acquisition
• Implemented data-driven methodologies that boosted customer satisfaction by 30%, leveraging GA4 analytics for insights into customer behavior and preferences

Chief eCommerce & Digital Officer 

•	Executed full P&L, meeting budget targets and optimizing proﬁtability, achieving a 20% annual revenue increase across Amazon and other eCommerce marketplaces through strategic operational improvements
•	Revamped operational workﬂows through ERP system integration, achieving a 20% reduction in delivery times and boosting productivity metrics by 15%
•	Drove international expansion eﬀorts, generating a 40% increase in global sales revenue with a focus on omni-channel strategy and DTC initiatives
•	Executed cost-reduction plans with innovative analytical solutions, streamlining operations to boost profit margins by 10% and enhance CLV through data-driven CRM tactics
•	Performed A/B testing (Google Optimize, Optimizely) on website design and content, leading to a                  45% increase in user engagement
•	Led a 15-person team for a B2C brand, overseeing PR, social media, email marketing, blog management, retail outreach, and brand partnerships

Director of Ecommerce-Omnichannel

𝗛𝗲𝗮𝗱 𝗼𝗳 𝗲𝗖𝗼𝗺𝗺𝗲𝗿𝗰𝗲 – 𝗙𝗼𝘂𝗻𝗱𝗲𝗿 
We're a dynamic company driving growth in both direct-to-consumer (DTC) and business-to-consumer (B2C) markets.  Our expertise spans brand strategy, digital and omni-channel strategy, cross-cultural adaptation, and team leadership.

• Orchestrated a cross-functional team of 12, launching a new product line that generated $1M in sales
• Re-platformed from Magento to Shopify, managing vendor selection, project management, 3PL/IMS integration and achieved a 72% cost reduction and grew DTC channels by 201% in 3 years
• Devised a targeted email marketing strategy, optimizing subject lines and call-to-actions; achieved a 20xROI, increasing click-through rates and overall sales
• Elevated Shopify website's SEO and SEM performance, achieving a 25% increase in organic search traﬃc and a 20% enhancement in site visibility within a three-month period
• Diversiﬁed sales channels, achieving 50% revenue growth by optimizing promotional strategies and leveraging ERP integration for operational eﬃciency
• Restructured agile development workﬂow, leading to a 40% reduction in time-to-market and boosting site engagement through strategic and continuous roadmap enhancements

Head of Ecommerce

The Coca-Cola Company

Business System Analyst

➯15 years of executive leadership in eCommerce and digital strategy
➯ Scaled up an eCommerce business from zero to 7 figures in annual revenue, achieving a 120% ROI on exit.
➯Boosted KPIs (ROI, ROAS, CAC, LTV) through data-driven strategies:
• Increased DTC eCommerce gross sales by 202%, repeat customer revenue by 157%, and new customer revenue by 81%
• Reduced new customer acquisition cost by 76% and eCommerce platform costs by 69%
➯ Administered a $500K Meta Ads campaign, boosting ad visibility by 44%, click-to-conversion rates by 27%, and ROI by 150% through advanced analytics and budget optimization.
➯ Led a 20-person team in managing account, marketing, content, inventory, analytics, customer service, design, compliance, and SEO; drove 178% YoY revenue growth for DTC sales on Amazon & Shopify.
➯ Transformed omni-channel brand identity into a compelling digital journey, driving a 40% increase in user engagement, 25% rise in customer loyalty, and 48% sales growth within six months
➯Managed Shopify store with 100,000+ monthly visitors. Used Google Analytics (GA4) to track user behavior and optimize site for conversions, resulting in a 20% increase in average order value
➯Ensured operational excellence in airfreight shipments and customs clearance across EMEA, Europe, and the USA, achieving 98% on-time delivery and avoiding delays or extra costs for time-sensitive import/export goods.

If you catch me outside of work, I'm an adventurous traveler and an avid lover of tennis and football.
I also enjoy connecting with new people over a cup of coffee. Please feel free to reach out to me at sertacyam@gmail.com

Skills: E-commerce, DTC (D2C), B2C, B2B Sales Growth, Brand Strategy, Social Media, Digital & Omni-Channel, PPC Strategy, Cross-cultural Adaptation, Team Leadership, Stakeholder Management, Strategic Planning, Marketing Strategy, Shopify, Amazon, Etsy, Magento, WooCommerce, Google Ads, Amazon Ads, Meta Ads - Facebook, Instagram, TikTok Ads, CRM, ERP, Email Marketing, A/B Testing, Sales Forecasting, Reporting, 3PL, Import/Export Operations & Regulations, SEO & SEM, Google Analytics (GA4), Google Analytics 360, C-Suite Communication & Presentation Skills

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David Rajakovich

Sertac Yaman

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