Head of Supply Side Sales

We're quickly growing and super excited for you to join us! About Topsort At Topsort, we believe in the mission of democratizing the secret technologies of the walled gardens and creating a privacy-first cookie-free world of clean advertising with modern tech, friendly products, and AI. We believe in making advertising intuitive, intelligent, and genuinely cool, without any of the creepy ads or cookie-obsession (well, maybe just the chocolate ones). In a rapidly changing industry, we're on a mission to democratize monetization access for all and ensure that advertising doesn't leave any brand or seller feeling confused or overwhelmed Today, Topsort has 5 major hubs worldwide, and employees in 13+ countries, including Menlo Park, Boston, Santiago Chile, Sao Paulo Brazil, Barcelona Spain, and Sydney Australia. We are a truly global company that was born in the pandemic that’s had rapid growth since out of a genius product, a customer-first mentality, and a hardworking team of talented individuals. Since our founding in 2021, we’ve gained customers in retail, marketplaces, and delivery apps in 40+ countries and quickly approaching the #1 position in the industry. Do you enjoy a fast-paced environment? Do you like seeing your work create real-time impact, being part of a rocket ship from the very beginning? Let’s do the unimaginable - let’s make ads clean and cool again, with AI and modern technology. What it’s like to work at Topsort Our team is all about straightforward communication, embracing feedback without taking it personally, and fostering a super collaborative environment. It’s a sports team that’s hyper focused on winning, collaborative internally, and competitive externally - never the other way around. We thrive on working in the open, lifting each other up, and getting things done with a sense of urgency. We're the kind of team that loves making bold choices, sharing extraordinary opinions, and maintaining a 100 mph pace. No endless meetings here – if it can be done today, we're all about getting it done today. What is this role like？ We are seeking a Head of Supply-Side Sales to own and scale our supply acquisition and account growth strategy. This is a senior leadership role responsible for building and managing the team that drives all supply-side revenue — from new partner acquisition to account expansion and retention. You will act as the company’s chief architect of supply sales: defining go-to-market strategy, creating repeatable sales processes, hiring and coaching a high-performing team, and directly contributing to revenue growth. You will collaborate closely with product, marketing, and operations teams to ensure we deliver unmatched value to our supply partners as we scale. You will: Own supply-side revenue growth: Lead all aspects of sales to supply partners, from acquisition to upselling and retention Build and scale the sales team: Hire, train, and manage a growing team of account executives and sales development reps. Own the full sales cycle for supply-side partners : prospecting, pitching, negotiating and closing new accounts. Upselling and account growth: Partner with Customer Success to identify and execute upsell opportunities. Set and exceed revenue targets: Establish KPIs and own forecasting and reporting for supply-side sales. Create sales playbooks and processes: Implement scalable sales methodologies, CRM best practices, and forecasting. What (we think) you need to be successful - we’re open to not checking all the boxes and be proven wrong by outlier candidates as well! 7+ years of sales experience, with at least 3+ years in a senior leadership role (Head of Sales, VP Sales, VP Revenue, etc.) in SaaS or marketplace businesses. Startup hustle and speed: You’re able to work hard, move fast, can adjust to a dynamic environment and sell to complex organizations and technical customers Ability to learn on the job, learn fast, and have strong curiosity for the industry and a desire to self-educate to become the expert on auctions, retail media, and marketplace monetization. Collaborate with founders/c-level executives Team Player: Lone-wolf style tech is from the past; at Topsort, it’s about being a sports team that achieves goals together. Proven track record of scaling supply-side or B2B sales from early-stage to growth (ideally from ~$5M to $30M+ ARR) Experience in supply-driven marketplaces or B2B SaaS preferred. Work onsite (office in Boston) 4 days a week, ability to travel domestically and internationally for industry events and client visits Do you sound like the right fit? Let's dive right in!

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