Side-by-side comparison of AI visibility scores, market position, and capabilities
SF ADHD coaching platform connecting adults with certified coaches for 12-week executive function programs; $4M General Catalyst and YC backed at $1M ARR competing for the adult ADHD behavioral support market.
Shimmer is a San Francisco-based digital health company connecting adults with ADHD to certified ADHD coaches through one-on-one video coaching sessions — providing structured 12-week coaching programs ($1,800-$2,400) featuring executive function skill building, evidence-based ADHD strategies, and accountability support for the estimated 10 million US adults with ADHD who are unmedicated or seeking behavioral support beyond medication. Founded in 2021 by former Salesforce executives Christal Bemont and Yev Khessin and backed with $4 million raised from General Catalyst and Y Combinator, Shimmer achieved $1 million in ARR as of April 2024 and facilitated 15,000+ coaching sessions.
NYC YC "TurboTax for Medicaid" at $22M total ($18M a16z Series A Jul 2025) with AI + live navigators reducing member churn 15% addressing $50B administrative waste; 12-person team competing with Maximus for Medicaid enrollment technology.
Fortuna Health is a New York City-based healthcare technology company — backed by Y Combinator with $22 million in total funding including an $18 million Series A in July 2025 led by Andreessen Horowitz (a16z) with BoxGroup, and a $4 million seed in November 2023 from YC, BoxGroup, and angel investors including founders of Zocdoc, PillPack, and Cityblock Health — providing Medicaid health plans, providers, and state governments with an AI-powered Medicaid navigation platform that pairs AI automation with live human navigators to guide beneficiaries through enrollment, coverage maintenance, and renewal workflows, reducing member churn by 15% and addressing the $50 billion in administrative waste that the US Medicaid system generates annually. Founded in 2023 by Cydney Kim, Nikita Singareddy, and Ben Wesner, Fortuna Health operates with a 12-person team and has been described as "TurboTax for Medicaid."
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