Konstantinos Antzakas

Konstantinos Antzakas London, United Kingdom +44 --https://www.linkedin.com/in/constantinosantzakas/ PERSONAL PROFILE I apply the discipline of competitive sports to Sales Operations & GTM Strategy, merging top-tier performance habits with precise business execution. As a partner to Revenue leaders and a comprehensive GTM domain expert, I supported ARR growth from $250M to $500M by driving sales efficiency, segmenting for value, and implementing predictive forecasting models. With roots in Business Intelligence and Data Engineering, I build actionable frameworks to support data-driven decision-making, whether it’s designing sales velocity dashboards in Tableau or embedding customer health scores in Gainsight. A certified OKR coach, I help teams drive cross-functional alignment and prioritize effectively, establish sustainable rhythms, to improve operational efficiency, and streamline GTM systems, delivering measurable gains in sales productivity and deal quality. From campaign redesigns with Marketing, which increased win rates +50%, to onboarding improvements in Customer Success to achieve an +80% renewal rate, I deliver results that move the revenue needle. I approach my work like a business owner, driving results with urgency, ownership, and high standards. WORK EXPERIENCE Fractional Sales Operations October 2024 – May 2025 Aligned the business objectives and goals of the GTM teams by identifying key performance indicators (KPIs), mapping the customer journey, and organizing data tracking. Created revenue models by consolidating customer and revenue data to eliminate silos. Skills: CRM Systems, GTM & Marketing Automation, KPI Monitoring Director Global Sales Operations, Strategy & Enablement, VMware Data Solutions VMware (through the acquisition of Pivotal Software) December 2019 – April 2024 Supported and accelerated ARR growth from $250M to $500M in- by delivering data analytics, providing operational insights, and strategic direction for the SVP and three (3) regional Sales leaders. Established the data and process foundations in Tableau to track critical subscription, pipeline, and revenue performance metrics, including Revenue Metrics (Total/Won/Lost ARR), Win/Loss Analysis, Sales Velocity, Pipeline Health, etc. Implemented granular segmentation strategies and leveraged predictive models to project future growth and optimise forecasting accuracy. Partnered with Marketing to analyse historical deal success in a high-value customer segment and redesign campaign sequences, leading to a 50% improvement in competitive win rates. Co-created with the Customer Success team in Gainsight, a next-best action forecasting model for digital-touch customers, advancing customer onboarding, and account activation, resulting in a +80% renewal rate in 2021-24. Assisted the organization in setting clear and ambitious Objectives and Key Results (OKR) and embedded their monitoring process in the regular meeting cadence. Scaled a globally consistent onboarding and enablement program by deploying a new solution-based selling strategy and embedding role-specific learning. Enhanced sales readiness across multiple regions through the dissemination of new sales playbooks and supporting materials, and the systematic documentation and communication of customer successes and achievements. Skills: Business Intelligence (Tableau), CRM Systems (SFDC), GTM & Marketing Automation (Alteryx, Clari, Gong, Marketo, ZoomInfo), Sales Methodologies (MEDDICC, Solution Selling) Lead Engineer, Data Solutions Pivotal Software July 2015 – December 2019 Supported 35% YoY sales growth in EMEA from 2015 to 2019 by elevating sales and field enablement, and bridging technical architecture with GTM execution. Organized the Field community knowledge, automated product demos, systematized feedback collection, and previously manual, time-consuming activities. Skills: Technical Enablement, Data Lake, Big Data Senior Manager, Information and Analytics Architecture Unilever December 2014 – July 2015 Led a team of 100+ across data architecture, analytics, and reporting automation; enhanced sales forecasting accuracy by 20%. Skills: Program Management, Commercial Analytics, Business Analytics, Data Architecture Professional Services Manager, MEA Data Analytics and BI Centre of Excellence (COE) NCR Corporation December 2013 - November 2014 Built a team of 18 and led multi-million-dollar business intelligence and data transformation projects. Skills: Project Management, People Management Senior Technical Architect, Teradata & Business Analytics Solutions MEA NCR Corporation November 2004 - November 2013 Designed and implemented more than two dozen customer data warehouse solutions in the Financial Services, Telecoms, and Retail industries, across SE Europe and the Middle East. Skills: Data Warehouse, Business Intelligence, Data Integration Venue IT Manager, Athens2004 Olympic & Paralympic Games Atos Origin April 2004 - October 2004 Led IT operations for a key Olympic venue in 2004, managing a 120+ person cross-functional team. Skills: Strategic Planning, Change Management, Executive Relationships, Team Leadership EDUCATION M.Eng. Computer Engineering & Informatics, University of Patras, Greece (September 1998 - June 2005) LANGUAGES English (Fluent), Greek (Native), Spanish (Intermediate), German (Basic) AWARDS, CERTIFICATES & QUALIFICATIONS Level 2 OKR Coach Certificate: Results Foundry at WorkBoard (2023) Level 1 OKR Coach Certificate: Results Foundry at WorkBoard (2021) Diversity, Equity, and Inclusion in the Workspace Certificate: USF Corporate Training and Professional Education (2021) PERSONAL INTERESTS Olympic Weightlifting, Learning Spanish, International Travel