Gary Sierzchulski
Founder, Managing Partner @Adronitis Marketing Group
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WORK HISTORY
Founder, Managing Partner @Adronitis Marketing Group
Milwaukee, WI, US
Founder and Managing Partner of Adronitis Marketing Group, a direct marketing agency that provides personalized brand experiences through relevant channels to generate results in alignment with a marketer\'s marketing objectives. We provide strategic and tactical solutions to assist our clients in growing their brand, build and maintain customer loyalty, and identify and convert potential customers.Through our full breadth of solutions we bridge between content, technology, and experience and will deliver measurable results which allows our clients to compete in their market regardless of company size or budget.Give us a call and see how we can assist you. Visit our site; adronitismarketing.com for more information.
EDUCATION
University of Wisconsin-Milwaukee
Bachelor of Business Administration (B.B.A.), Finance
SKILLS
ABOUT GARY SIERZCHULSKI
Founder | Data-Driven Customer Acquisition | Turning Intent into Identifiable RevenueI build performance-driven customer acquisition and data-led growth engines.As a founder and operator, I help brands and agencies replace guesswork with identifiable, actionable demand—turning anonymous intent into measurable revenue. My work sits at the intersection of data, marketing, and profitability: scaling acquisition programs, designing monetizable audience strategies, and aligning sales, operations, and P&L outcomes.I specialize in building and commercializing data-driven marketing solutions that outperform traditional digital tactics—reducing reliance on auctions, extending buying windows, and increasing lifetime value. The focus is always the same: clarity, efficiency, and durable growth.What I’m Known ForPerformance-first customer acquisition strategiesTurning anonymous traffic and intent into first-party revenue assetsBuilding scalable, margin-aware marketing solutionsEnterprise and agency business developmentP & L-driven decision making and operational leadershipData strategy across digital, offline, and omnichannel executionCore Strengths Customer Acquisition & RetentionData-Driven Marketing SolutionsRevenue & Profit GrowthSales Leadership & Business DevelopmentOperations & P&L ManagementRelational & First-Party Data StrategyCross-Channel Activation
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