Silvester Klement

Led marketing during a hiring freeze and short-time work. Focused on protecting pipeline quality and keeping the engine running with fewer resources. Cut Cost/MQL by 30%, rebuilt CRM handoffs, and set a simple rhythm with Sales. Standardized lead flows and reporting, keeping output steady at 3-4k leads/month. In-housed performance marketing and trimmed weak channels, saving five-figure costs annually.

Promoted while continuing as Head of E-Commerce. Co-led a cross-functional site of ~42 FTE and owned the Berlin office P&L of ~€7M. Acted as interface to Swiss HQ, mediated brand priorities, and tightened spend governance. Set guardrails for external vendors/freelancers to complement in-housing.

Built and scaled the Berlin hub for multi-brand e-commerce. Grew the team from 8 → 24 FTE and centralized operations for 1 → 5 brands. Created dashboards with GA4, BigQuery, and Looker Studio, and added multi-touch attribution (Exactag) to guide budgets. In-housed creative production, saving high six-figure sums annually. Supported the digital GTM for CoffeeB, linking brand, CRM, and performance with local activations.

Led a 3-person remote team (DE, US, BR) and kept marketing moving through Covid. Built a new revenue stream as in-house tour operator for Germany. Cut CPL by 20% through funnel fixes and a revived Mailchimp CRM. Rolled out Google Ads best practices across markets, managed ~€1.5M annual budget, and drove partner-side B2B2C growth with webinars and Sales feedback loops. Supported the TravelLocal merger with channel and analytics reviews.

Owned performance marketing for Germany across Google, Meta, and Bing. Delivered +30% conversion lift in DACH within 2 months by tightening funnels and targeting.

Scaled user acquisition for 20+ game titles with a lean setup built for automation and cross-platform consistency. Managed seven-figure monthly budgets across Meta, Google, and programmatic, improving ROAS through continuous testing. Built Google Data Studio dashboards for ROAS/CAC by campaign, country, and platform. Drove high output with a small team and mentored a junior.

Agency-side performance marketing for enterprise clients in regulated sectors. Ran Google Ads (Search, Display, YouTube, Shopping) and Apple Search Ads for accounts incl. Vattenfall, EnBW, and Vorwerk. Built scalable SEM account structures for repeatable execution and governance.

Built the iKiosk marketing function from scratch. Owned paid acquisition, CRM, affiliate, SEO, and reporting. Focused on high-CLV iPad users, delivering >15% monthly revenue growth for 3 years. Launched an affiliate program to ~5% of revenue in year one. Managed a ~€2M annual budget and cut €2k/month in tool costs by switching Falcon → Hootsuite.

Agency-side Google Ads for B2B/B2C in regulated industries. Planned, executed and optimized SEA campaigns under strict compliance and supported the four-agency merger through internal coordination.

Agency-side digital marketing and community management for media & telecom clients. Ran social, display, and performance campaigns, built editorial frameworks, and managed communities (e.g. Magine TV, Deutsche Telekom).