Marketing Operations Manager
AI Search Optimization (AEO/GEO)
Revenue Operations + Lead Tracking

David Hendrix

I’m a marketing operations manager with 10+ years of experience across marketing, sales, and revenue operations. I’ve managed budgets in excess of $2M and lead a team working across organic and paid channels, as well as build the reporting that connects marketing performance to revenue operations.

My background in physics and mathematics at Clemson University — and leadership training in the U.S. Naval Nuclear Program — shaped how I work: analyze the system, find the leverage, and execute with discipline.

My Experience

Marketing operations that connect strategy, spend, and revenue.

At Gummicube, an Airship company and the leading App Store Optimization agency, I was promoted to Marketing Operations Manager during an acquisition by Airship (formerly Urban Airship). I managed direct reports across organic (SEO/AIO) and paid channels, owned revenue operations and forecasting, and delivered executive reporting to Airship leadership.

Before that, I spent years as a webmaster, technical SEO specialist, and Google Ads manager — including consulting and teaching for state SBDCs (small business development centers). That range, from hands-on implementation to budget ownership, is what lets me translate between the technical work and the revenue conversation.

−18%

Customer acquisition cost, year-over-year

Doubled

Annual SEM budget, more than doubled

+35%

Event-sourced leads, year-over-year

Miltimillion

Total marketing budget managed

Gummicube, an Airship Company
Promoted in 2024
Aug. 2024 — Present

Marketing Operations Manager

  • Lead marketing, growth, and revenue operations for the leading App Store Optimization and mobile marketing agency.
  • Manage a seven-figure marketing budget across paid acquisition, events, and growth programs
  • More than doubled annual paid search investment while cutting customer acquisition cost 18% and raising average qualified-lead value 11%
  • Expanded paid search into five international markets: UK, Ireland, Germany, Australia, New Zealand
  • Own lead-funnel analysis, MQL→SQL conversion, attribution, and CAC measurement; build budgets, revenue forecasts, and financial variance reporting
  • Report marketing and revenue performance to executive leadership, including the CEO and VP of Finance
  • Manage a team across organic search, AI search, content, and paid acquisition
  • Grew event-generated leads 35% year over year across a six-figure trade show program
  • Build Python, Apps Script, and AI-assisted automation that replaces manual reporting work

Gummicube, an Airship Company
Nov. 2022 — Aug. 2024

SEO & Paid Search Specialist

  • Joined during the company’s acquisition by Airship; built the organic and paid search foundation that expanded into my current marketing operations role.

  • Managed SEO, AI-search strategy, paid search budgets, and performance analysis for competitive app-marketing topics

  • Supported landing-page strategy, conversion optimization, and competitive research

The Packaging School
Oct. 2020 — Nov. 2022

Webmaster + Growth Marketing Manager

  • Marketed post-graduate packaging science programs for Clemson University.
  • Managed WordPress, e-commerce, and learning-management platforms; grew users and course sales
  • Led technical SEO, content strategy, and landing pages for paid search campaigns
  • Managed Google Ads and Google Analytics, including executive reporting

Small Business Development Centers (SBDCs)
2018 — 2021

Marketing + SEO Consultant, SBDC Guest Instructor

  • Guest consultant and instructor for the NC Tri-County Community College Small Business Center and the SC SBDC, teaching business owners lead generation and marketing strategy
  • Created technical documentation and training resources for small business development centers (SBDCs)
  • Marketing and SEO consultant + event manager for the Murphy Business Association; grew event website traffic and search rankings

Base Note Labs
2016 — 2020

Website Project Manager + Google Ads Marketing Manager

  • Small business digital marketing agency.

  • Completed 40+ client engagements across websites, Google Ads, SEO, analytics, and digital strategy

  • Managed project scope, budgets, billing, and client expectations end to end

  • Performed technical audits covering SEO, accessibility, and UI/UX

United States Navy
2014 — 2016

Naval Nuclear Power Program

  • Nuclear Propulsion Program, NNPTC Charleston
  • Studied applied physics, mathematical modeling, and data analysis for operations
  • Developed project management, teamwork, and leadership discipline

Professional Skills

I connect marketing execution to revenue — managing teams, budgets, and the reporting that shows leadership what’s working.

  • Marketing team management and cross-functional strategy
  • Budget planning, revenue forecasting, financial variance analysis
  • Executive dashboards, KPI analysis, lead status tracking
  • External vendor and trade show contract management

Technical Skills

  • AI Search Optimization (AIO / AEO / GEO), SEO, and ASO
  • LLM tools: Claude Code and Skills, NotebookLM, Gemini Deep Research, Perplexity
  • Semrush, Ahrefs, SE Ranking, Moz; Python keyword analysis
  • Google Ads and AI Max campaigns, Search Console, Tag Manager
  • HubSpot CRM, Salesforce, multi-touch attribution
  • Python and Apps Script workflow automation

AI Search Optimization

  • AIO / AEO / GEO strategy for visibility in AI Overviews, SearchGPT, and Perplexity
  • Keyword analysis with Semrush, Ahrefs, SE Ranking, Moz, and Python
  • App Store Optimization (ASO) for the #1 ASO agency’s own growth channels

Paid Search + SEM

  • Google Ads and AI Max campaigns managed at $1.5M per year
  • International expansion: UK, Ireland, Germany, New Zealand, Australia
  • LinkedIn Ads, Quora Ads, Tag Manager, Search Console

Revenue Operations

  • Budget planning, revenue forecasting, and financial variance analysis
  • CAC, MQL-to-SQL conversion optimization, multi-touch attribution
  • Executive dashboards and KPI reporting; HubSpot RevOps certified

Leadership + Management

  • Marketing team management with direct reports across content and channels
  • Cross-functional strategy across marketing, sales, accounts, and data teams
  • Vendor and trade show contracts; reporting to executive leadership

Distinctions + Education

Certifications
2020 — Present

Google
Certifications

Google Analytics
Search Ads 360
Campaign Manager 360
Google Ads Search + Display
Google AI Professional

Marketing Platform
Certifications

HubSpot CRM + RevOps
Salesforce
Meta PPC Advertising
LinkedIn Advertising

United States Navy
2014 — 2016

Naval Nuclear Power Program

Electronics technician rating, student in the Nuclear Propulsion Program, stationed at NNPTC in Charleston, SC. Applied physics, mathematical modeling, and data analysis for operations.

Clemson University
Graduated 2014

Bachelor of Science in Physics
Minor in Mathematics (Analysis)

Honors college and dean’s list; studied mathematical analysis and modeling.

  • Problem solving, complex analysis, technical writing
  • Data analytics, statistics, modeling, computer coding
  • Identifying underlying trends in complex systems
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