Darwin Mastin, Phd Email & Phone Number

San Francisco, CA, US

Oakland, California, United States

Oakland, California, United States

Reporting to the VP of Engineering, I lead our prompt engineering efforts and generative AI scaling strategy for our chatbot interface, Intuit Assist, our user's personal financial assistant. I also support the main product verticals across Credit Karma for their GenAI powered features. I am the primary contributor and prompt designer of the CK GenAI.

Oakland, California, United States

Led a multi-month study with 100+ users on early usability of a GenAI chat feature, Intuit Assist. Insights delivered weekly were pivotal in prioritizing updates and final direction of beta launch (Sept 2023). Delivered actionable research insights quarterly to primary product vertical (Credit, Recommendations & Data), aligning findings with preemptive.

San Francisco Bay Area

Synaptic Spike GenAI, LLC offers AI Coaching and other services in an effort to help create a better future and have a positive impact on society by demystifying advanced AI technologies and making them accessible to all.- 1 on 1 coaching sessions (1hr)- Team talks and demos (1-2hr)- Full on workshops (3.5hr)

New York, New York, United States

- Launched UX research as a new function in the company, hired and grew a small team, and made significant contributions to research best practices across the product development life cycle.- Ideated and launched internal initiatives for product dogfooding, advanced research tooling, research participant recruitment system, and applied product research.

Menlo Park, California, United States

- Developed a product-market-fit assessment and GTM checklist based on insights from a global qualitative research series focused on the creation and evolution of users' mental models.- Identified root factors contributing to increased user confusion of product value prop and differentiation by combining qualitative interviews, usability assessments, and.

Menlo Park, CA

- Oversaw first research on acquisition barriers in both developed and emerging markets, identified three new entry points for new user signups, focused on personalized content suggestions.- Defined intervention design and collaborated on content strategy of messaging directed at users purchasing followers and likes, which decreased follower network.

Menlo Park, CA

- Prioritized research on digital well-being for GDPR compliance, and identified usage time limit options as a large gap in user needs across age ranges and global market.- Directed cross-functional teams toward V0 product decisions for a stand-alone student app by identifying key tradeoffs between social and functional necessities impacting user.

San Francisco Bay Area

• Led 10+ person research team in doubling intervention long-term impact, and scaling from 1-year to 3-year program in partnership with the Bezos Family Foundation.
• Redesigned in-house data labeling protocols, resulting in a 300% increase in efficiency.
• Co-created assessment of executive function psychometrics for Spanish-speaking pre-K children.

• Designed and conducted a 3-year cross-cultural field study of infant language development.
• Validated innovative methodologies to assess early parent-child interaction and behavior.
• Trained/managed 12 research assistants in Mozambique and the Netherlands.
• Published research findings in peer-reviewed journals on AI, child development, and language.

• Conducted in-depth reviews of natural theology, legal governance, and international religious liberty.
• Published desk reference manual used by all employees and grants offices outlining the applicability of grants to 40 different subjects of the Founder, Sir John Templeton’s, personal interest.
• Consulted with VP of Legal Affairs on construct of the Templeton Foundation Mission as per the founder’s desires of research and secular inclusion.

Postdoctoral Researcher

Doctor Of Philosophy (Phd)

Master Of Science (Msc)

Master Of Arts (Ma)

Ba & Bs