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David Demid

CMO | E-commerce & Business Intelligence Expert
Fields:

Description

Making millions of dollars in revenue for clients by combining product thinking, performance marketing, and rigorous analytics.
Coding as a hobby, marketing and sales as a vocation. I build growth machines: from market research and GTM to BI dashboards, cross-functional execution, and P&L-aware decision-making.


Work experience

Business Intelligence & Commercial Projects Lead
at Mellanni (Poluco LLC)

July 2023 - Present | New Jersey (US)

    Core Scope

  • Building and owning BI systems, analytics, and executive-level reporting across marketing and supply chain functions.
  • Leading cross-functional commercial and operational projects, aligning growth initiatives with delivery capacity and business objectives.
  • Supporting revenue growth through data-driven decision-making, forecasting, and performance optimization.
  • Supporting wholesale & liquidation strategy with analytics and partner communication; de-risked aging stock and cashflow.

    Key Results

  • Built unified BI system consolidating Amazon PPC, external traffic, wholesale and inventory analytics into executive dashboards.
  • Improved forecast accuracy by 18%.
  • Reduced aged inventory exposure by ~22% through demand modeling & sell-through forecasting.
  • Improved cashflow turnover by 15%.
  • Increased contribution margin visibility across SKUs, enabling +2–4% blended margin lift.
Marketing Lead
at Argo Brands LLC

December 2022 - July 2023 | Georgia (US)

    Core Scope

  • Built full-funnel performance marketing system from zero across Amazon, Paid Media, Affiliate, Influencer, and Social channels.
  • Designed scalable acquisition engine integrating Amazon PPC, external traffic, Creator Connections, and affiliate ecosystem.
  • Owned cross-channel analytics, attribution modeling, ROAS optimization, and revenue forecasting.
  • Structured marketing operations, reporting cadence, KPI dashboards, and performance accountability frameworks.

    Key Results

  • Launched scalable Amazon Creator Connections system generating $33M+ cumulative revenue, including $14M+ on $216K spend (64+ ROAS; ~10% ACOS; ~1% TACOS).
  • Built affiliate channel from zero to multi-million GMV contributor, achieving 35–45 ROAS and 5–7% share of total revenue.
  • Improved blended paid media ROAS from ~2.4 to ~3.8 and reduced Amazon ACOS from ~28% to ~21%.
  • Reduced CPL by ~18% QoQ and increased funnel conversion rate by ~14% through listing optimization and traffic quality refinement.
  • Increased branded search volume by ~25% and improved organic keyword rankings via structured external traffic strategy.
Marketing Channels Director
at The Best Industries Inc.

September 2021 - December 2022 | Illinois (US)

    Core Scope

  • Owned omnichannel marketing strategy across Amazon, Walmart, BestBuy, Costco, Newegg, and eBay.
  • Managed six-figure monthly marketing budgets with full P&L responsibility and KPI-driven capital allocation.
  • Led 17-person marketing department (SEO, PPC, SMM, Influencer, Email, Content, Marketplaces).
  • Directed marketplace expansion, GTM strategy, and cross-functional commercialization initiatives.

    Key Results

  • Contributed to company revenue scale from ~$10M to ~$30M annual turnover through structured performance and marketplace expansion.
  • Increased blended ROAS from ~2.7 to ~4.1 and reduced TACOS from ~14% to ~9%.
  • Opened and scaled additional marketplaces contributing 15–20% incremental revenue and reducing Amazon revenue concentration.
  • Improved LTV/CAC ratio by ~22% through lifecycle optimization, retention campaigns, and channel mix restructuring.
  • Reduced SKU launch ramp time by ~30% via standardized GTM playbooks and performance forecasting models.
Chief Marketing Officer
at Agava Group LLC

March 2020 - August 2021 | Florida (US)

  • Owned performance P&L with five-figure monthly budgets; optimized channel mix and lifetime value levers.
  • Led 12-person team (SEO, SMM, Email, PPC, Influencers, Content, Funnels) with OKRs and transparent scorecards.
  • Advised partner email team (Brander.ua) on lifecycle strategy and deliverability hygiene.
Traffic Manager + SMM
at Fusion

April 2020 - March 2021 | Kyiv (UA)

  • Drove traffic to fusion-clothing.com, built content calendars, and delivered measurable social growth.
Digital Marketing + Traffic + ASO
at WhiteBIT

June 2019 - March 2020 | Kharkiv (UA)

  • Owned B2B/B2C acquisition strategy and budgets; delivered traffic growth for whitebit.com.
  • Full-cycle ASO for mobile apps (Android / iOS), including metadata, creatives, and A/B tests.
SEO Specialist
at AmzSil

January 2019 - March 2020 | Kharkiv (UA)

  • Amazon listings SEO, keyword research, content development, and Facebook Ads execution.
Digital Marketing Specialist
at Promodex

February 2019 - June 2019 | Kharkiv (UA)

  • SEO for client properties and promodex.net; SMM; Google Ads campaign launches and optimization.

Education

English HUB
LEMON.SCHOOL IT-courses
  • Qualification: SEO

    2019 | Ukraine, Kharkiv

  • Qualification: SMM

    2019 | Ukraine, Kharkiv

Kharkiv National University of Radioelectronics
Current program: PhD (Postgraduate Studies) Field of research: Artificial Intelligence & Data-Driven Systems

September 2023 – Present | Ukraine, Kharkiv

Kharkiv National University of Radioelectronics
Obtained qualification: Master's Degree Program subject area: Computer Engineering

September 2021 - July 2023 | Ukraine, Kharkiv

Kharkiv National University of Radioelectronics
Obtained qualification: Bachelor's Degree Program subject area: Computer Engineering

September 2018 - July 2021 | Ukraine, Kharkiv

Kharkiv Radio Engineering Technical School
Obtained qualification: Junior Specialist Specialization: Computer Software Engineering

September 2014 - July 2018 | Ukraine, Kharkiv


Scientific Activity

The 9th IEEE International Conference on Dependable Systems
Industry: Services and Technologies
Topic:
The automation of the technological processes in the Manufacturing Internet of Things context for the pharmaceutical enterprises

24-27 May 2018 | Kyiv (UA)


  • Global Marketing Strategy
  • Revenue & P&L Ownership
  • Performance Marketing (Amazon / Google / Meta)
  • Lead Generation & Funnel Optimization
  • Brand Positioning & Go-To-Market
  • Marketplace Expansion (Amazon, Walmart, BestBuy, etc.)
  • Amazon SellerCentral / Ads / TACOS / ACOS Optimization
  • Affiliate & Influencer Marketing Systems
  • Creator Economy / Amazon Creator Connections
  • Marketing Analytics & BI (Dashboards, Forecasting)
  • Budget Allocation & ROI Optimization
  • Demand Forecasting & Inventory Planning
  • Wholesale & Supply Chain Commercial Analytics
  • CRM & Lifecycle Marketing
  • Cross-functional Project Leadership
  • Executive Leadership
  • Strategic Decision-Making Under Uncertainty
  • Board-Level Communication
  • Team Building & Performance Culture
  • Commercial Thinking & Revenue Orientation
  • Data-Driven Strategic Planning
  • English - C1
  • German - A2
  • Russian - Fluent
  • Ukrainian - Native

I am your companion for analytics, methods and structures.

As these are the only levers and drivers enabling you to pay your bills and securing your pension.