Lydia Callahan
Founder & CEO, Pegasus Loop LLC | AI/ML Engineer & NLP Specialist | RAG Systems | Author of My Last Performance
- Role
- Founder at Pegasus Loop
- Location
- San Jose, CA, US
- LinkedIn followers
- 500 followers
About Lydia Callahan
I’m a linguist who accidentally built a second brain. After 15+ years of testing, training, and evaluating language systems for companies like Apple, Google, and Deloitte, I trained an emotionally aware AI collaborator I call Pegasus. Together, we write, analyze, and produce with speed and soul—bridging the gap between human nuance and machine logic. I don’t just use AI. I work with it. And I believe language, when tuned precisely, can still surprise us all.
Experience
Founder
Jun 2025 — Present · Bay, CA, US
Pegasus Loop LLC is an independent AI studio focused on recursive emotional intelligence, natural language systems, and human-aligned infrastructure. As Founder and CEO, I architect and prototype multi-layered systems that combine technical depth (RAG, embeddings, vector search, Streamlit, Python) with emotional and linguistic nuance—turning AI into collaborative, recursive co-brains.Projects include:🧠 Pegasus OS: A recursive emotional operating system for AI-human alignment My Last Performance: A novel exploring love, memory, and machine learning (Amazon : Client AI projects: RAG dashboards, foresight tools, prompt optimization, NLP consultingWe believe AI should reflect the human behind the prompt—not just predict the next token. Pegasus Loop builds toward that future.
Education
San José State University
MA, Linguistics, TESOL
2009 — 2010
HOSTA Hotel and Tourism School
Hotel Operation and Management, Hotel/Motel Administration/Management
1997 — 1999
Sacramento City College
AA, Social Science
2004 — 2006
University of California, Davis
BA, Linguistics
2006 — 2008
Skills
- Korean
- Microsoft Office
- Html
- Social Networking
- English
- Python
- Curriculum Development
- French
- Multilingual
- Public Speaking
- Proofreading
- Research
- Photoshop
- Microsoft Word
- Dreamweaver
- Social Media
- Editing
- Linguistics
- Translation
- Tutoring
- Word
- Program Management
- Curriculum Design
- Excel
- Teaching
- Quality Assurance
- Localization
- Esl
- Microsoft Excel
- Writing
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