Senior Account Executive – US Market

Responsibilities

The Senior Account Executive will lead commercial engagements and drive high-ACV deals for the company's Lab-as-a-Service offering in the US market. This role involves building C-suite relationships and collaborating with executive leadership and R&D teams to scale the global revenue engine.

Requirements

Candidates must have 8+ years of experience in complex enterprise GTM or solution sales with a proven track record of closing seven-figure deals. A deep understanding of the LLM training domain and the ability to effectively manage cross-border operations between the US and Israel are required.

Skills

• Enterprise Sales
• Solution Selling
• LLM Training
• Business Development
• Strategic Sales
• C-suite Relationship Building
• Technical Sales
• Account Management
• AI Tools
• Data Analysis
• Inference
• Compute
• Professional Services
• Strategic Negotiations
• Executive Communication

About this role

AI21 is an AI lab building frontier models and AI systems for the enterprise since 2017, and the only Israeli foundation lab that has trained LLMs from scratch.
Creator of the Jurassic and Jamba model families, AI21 today offers its lab-as-a-service for specialized intelligence: Forward-Deployed Researchers and a harness- and model-training platform that turn open foundations into models its customers own, delivered with the weights, recipes and evaluations that keep them theirs.

Role and Responsibilities
We are seeking a strategic Senior Account Executive (US Market) to lead our commercial engagements and opportunities in the US market. You will be responsible for sourcing, driving, and closing high-ACV deals for our Lab-as-a-Service offering with leading AI-native and traditional companies.

This role requires a senior commercial hands-on leader, who thrives in complex technical and strategic sales involving both a platform and substantial professional services components. Working closely alongside executive leadership and R&D teams in Israel, you will establish our presence in the US market, build C-suite relationships, and establish the operational and strategic blueprint for scaling our global revenue engine.

Requirements
Senior Commercial Leadership: 8+ years of experience leading complex enterprise GTM, solution sales, or business development in high-growth B2B tech environments.
Track Record of High-ACV Success: Proven history of consistently closing seven-figure ($1M+) enterprise deals with combined platform and service delivery components.
Deep Tech Expertise: Background and understanding of the LLM training domain, including compute, inference, data and post-training. Comfortable engaging in technical discussions with tech leaders.
Complex Solution Selling: Exceptional ability to sell "platform + services" architectures—understanding how to scope, price, and deliver high-touch solutions alongside platform technology.
Cross-Border Flexibility: Ability to operate effectively on the Israel–US corridor, maintaining aligned working hours and traveling frequently to meet US clients and collaborate with Israel HQ.
AI saviness: Native with AI tools, models and agents. Uses AI to accelerate work while keeping high quality standards. Builds and creates on the fly to drive success.
Executive Gravitas & Communication: Flawless written and verbal communication skills in English; command over executive presentations and strategic negotiations.

About Us
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About AI21

Software Development · 51-200 employees · headquartered in Tel Aviv · founded 2017