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Sarah Chen

Sarah Chen

Head of AI & Engineering

Sarah is a former Google AI researcher with 12 years of experience in machine learning, NLP, and autonomous systems. She leads KeyGroup's AI engineering division, architecting AI workers and automation pipelines for enterprise clients. Published in NeurIPS and ICML. Stanford CS graduate.

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Free AI Email Writer - Create Professional Emails in Seconds

Recommendation: select a template you trust, press promptsend, and you’ll get an email text ready to send in seconds. This approach makes your emails entirely focused on the…

~/ai-engineering 10 min
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Generative Engine Optimization (GEO) for ChatGPT - GEO SEO Strategies for Local AI Search

for ChatGPT - GEO SEO Strategies for Local AI Search") Begin with a local data audit and update your listings now to feed GEO signals into ChatGPT. Ensure the business name…

~/ai-engineering 20 min
{# Browsers pick the smallest supported format (AVIF → WebP → JPEG) AND the closest width for the layout. Cards render at ~320 px on mobile, ~400 px on tablet, ~480 px in the 3-up desktop grid; 320 / 640 / 960 cover those at 1× / 2× / 2×-large-desktop. `sizes` tells the browser the slot is roughly one-third of viewport on large screens. #} AI Solutions for Sales Targeting and Segmentation in 2026

AI Solutions for Sales Targeting and Segmentation in 2026

Deploy a consent-first, data-driven framework for targeting and segmentation that combines first-party signals with AI-driven scoring to deliver timely, targeted outreach…

~/ai-engineering 12 min
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Best AI Tools for Content Creation in 2026 - Tested & Reviewed

Recommendation: Start with a three-tool core: an AI writer for drafts, an SEO assistant for keyword and structure, and a media creator for visuals. This trio, used within your…

~/ai-engineering 16 min
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26 Best AI Marketing Tools I'm Using to Get Ahead in 2026 — Updated Guide

Audit your data sources first to identify the keys to winning campaigns. Having clean records lets you pull insights through every channel. Implement a simple scheduling routine…

~/ai-engineering 17 min
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AI Voice Generator - Text-to-Speech Platform for High-Quality AI Voices

Use a platform that lets you generate life-like, ai-generated voices in seconds. For business needs, a clean text-to-speech workflow accelerates engagement and reduces production…

~/ai-engineering 11 min
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10 Real Benefits of AI in Marketing for DTC Brands

Recommendation: deploy AI-powered segmentation and real-time creative optimization now to boost reach and click-through rates with buyers across a new channel. This action turns…

~/ai-engineering 12 min
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7 Ways AI Is Transforming Digital Marketing in 2026

Recommendation: implement an AI-powered forecast to optimize budgets and achieve maximum ROI across campaigns. In 2025 the evolution of predictive models helps marketers handle…

~/ai-engineering 14 min
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AI Video Captioning - Real-Time, Accurate Subtitles for Accessible Content

Turn on real-time AI captions on your platforms to boosts accessibility from the first frame. This immediate support reduces barriers for viewers and makes content easier to…

~/ai-engineering 11 min