# Vitasphere LLC > Independent technology advisory led by Jay Leon. Fractional CTO leadership, fixed-fee technology assessments, and hands-on AI and architecture work for organizations facing high-stakes platform and AI decisions. Based in Northwest Arkansas; serving businesses across the United States. Vitasphere is the public brand of Vitasphere LLC. Jay Leon is its founder and brings more than 20 years of experience across healthcare, media and publishing, retail and fashion, and intelligence and government. Clients work with Jay directly. Engagements combine architecture and vendor decisions, written specifications with acceptance criteria, implementation oversight, and, where a decision needs proof, hands-on engineering. ## Engagements - **Technology Assessment:** A review of architecture, delivery capability, vendors, risk, and AI readiness, with written findings and a prioritized roadmap. Fixed fee starting at $7,500; typically two to four weeks. The final fee is set by the agreed scope. - **Fractional CTO:** Part-time senior technology leadership for architecture, AI, vendor and build-versus-buy decisions, and board communication. Priced to scope and time. - **Transformation Partnership:** Architecture and specification for a major build or migration, hands-on work on the highest-risk components, implementation-partner coordination, and milestone validation. Scoped per project. Planning ranges in editorial content are illustrative market estimates, not Vitasphere prices or a quote. The published Enso methodology explains the practice's approach to specifications, evaluation, and human authority. ## Contact and messaging - [Contact Vitasphere LLC](https://vitasphere.io/contact/): (479) 545-2051, available for calls and texts; hello@vitasphere.io. - [Schedule a 15-minute discovery call](https://cal.com/jayleon/15min). - [Jay Leon's professional profile](https://jleon.me). Texting Vitasphere LLC initiates a business conversation and permits replies concerning that inquiry. It does not enroll the sender in marketing or authorize unrelated or ongoing recurring messages. Calling or receiving a business card does not constitute SMS consent. Message frequency varies. Message and data rates may apply. Reply STOP to opt out or HELP for assistance. Support: (479) 545-2051. [Privacy Policy](https://vitasphere.io/privacy/). [SMS Terms](https://vitasphere.io/terms/#sms-terms). ## Complete public information [Full site text](https://vitasphere.io/llms-full.txt) contains the main text of every page listed below, including service details, published methodology, articles, contact information, and policies. It is generated from the same HTML presented to visitors. Each page has its own source URL; article dates and methodology versions remain as stated on those pages. ## Page directory - [Fractional CTO & AI Strategy Advisory](https://vitasphere.io/): Fractional CTO and AI advisory from Jay Leon: technology assessments from $7,500, part-time CTO leadership, and hands-on help through delivery. Based in NWA. - [Enso — A Discipline for Human–AI Partnership](https://vitasphere.io/enso/): Enso is Vitasphere’s free methodology for human–AI work: clear specifications, evaluation, governable automation, and accountable human decisions. - [Insights](https://vitasphere.io/insights/): Articles and guides by Jay Leon on fractional CTO work, technology assessments, AI strategy, and healthcare technology. - [What a Fractional CTO Actually Does](https://vitasphere.io/insights/what-fractional-cto-does/): A fractional CTO provides senior technology leadership part-time. Here's what the work actually looks like, what it costs in 2026, and when you don't need one. - [Fractional CTO Services](https://vitasphere.io/fractional-cto-services/): Part-time CTO leadership from Jay Leon for architecture, vendor, AI, and delivery decisions, with hands-on engineering where a decision needs proof. - [Technology Assessment & Roadmap](https://vitasphere.io/technology-assessment/): A fixed-fee technology assessment from $7,500, usually two to four weeks: architecture, vendors, risk, and AI readiness, with a prioritized roadmap. - [Agentic AI Strategy & Readiness](https://vitasphere.io/agentic-ai-strategy/): Agentic AI strategy for companies that need practical evaluation, readiness planning, workflow selection, and governance before deploying AI agents. - [Healthcare Technology Advisory](https://vitasphere.io/healthcare-technology-advisory/): Healthcare technology advisory for HIPAA-aware platforms, clinical systems, data integrations, vendor evaluation, AI readiness, and transformation planning. - [Northwest Arkansas Fractional CTO](https://vitasphere.io/northwest-arkansas-fractional-cto/): Fractional CTO and technology advisory based in Northwest Arkansas, serving growing companies locally and across the United States. - [Fractional CTO vs Consultant](https://vitasphere.io/fractional-cto-vs-consultant/): Understand the difference between a fractional CTO, a technology consultant, an agency, and a full-time CTO before choosing the right model. - [When to Hire a Fractional CTO](https://vitasphere.io/when-to-hire-a-fractional-cto/): Signals that it is time to hire a fractional CTO, when not to, and how to decide between advisory, assessment, oversight, and full-time leadership. - [Contact](https://vitasphere.io/contact/): Call or text Vitasphere LLC at (479) 545-2051 for business inquiries, customer support, scheduling, and follow-up about requested services. - [Privacy Policy](https://vitasphere.io/privacy/): How Vitasphere LLC uses contact information and SMS conversations for business inquiries, customer support, scheduling, and requested services. - [Terms of Service](https://vitasphere.io/terms/): Terms for Vitasphere LLC business communications, including SMS inquiries, support, scheduling, message rates, opt-out, and help. - [Jay Leon — Technology Leadership & Applied AI](https://vitasphere.io/about/): Meet Jay Leon, founder of Vitasphere: platform engineering, CTO leadership, and hands-on AI work across healthcare, threat intelligence, and startups.