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Clark Hayashi

Work

Analytics projects focused on turning real questions into decisions. The statuses are honest: case studies are published in public-safe form as results land, and confidential work stays summarized.

01

AI + Workflow Strategy

AI Use Case Prioritization

One of Bank of Hawaii's first AI interns. Gathered AI use cases across the organization and built the repository, scoring model, and Power BI dashboard used to prioritize them. Summarized publicly at a high level.

50+ use cases · 19+ stakeholder interviews · presented to 60+

AI Strategy · Power BI · Stakeholder Research

Completed · summarized
02

Operations Analytics

Intramural Sports Participation Analysis

Seven years of participation data across a 469-participant, 64-team program, translated into dashboards UREC leadership used for scheduling, marketing, and retention planning.

7 years of data · 64+ teams · 469+ participants

Excel · Tableau · Stakeholder Reporting

Delivered · write-up in progress
03

Analytics + Data

Seattle Building Permit Analysis

Interactive Tableau dashboard on Seattle building permit data, built with an Applied Analytics SU team. Analyzed trends in construction activity and permitting, then presented findings to the club. Live on Tableau Public.

Team of 9 analysts · live, interactive dashboard

Tableau · Team Case Study · Public Data

Completed · view live
04

Analytics + Data

Finding the Best Value Stays in Hawai'i

Airbnb vs. hotel value across the Hawaiian islands: ~36,000 Inside Airbnb listings, island and neighborhood pricing, ratings, and zoning context, built into an interactive Tableau dashboard.

~36,000 listings · interactive dashboard

Tableau · Data Visualization

Completed · artifacts publishing
05

Marketing + SEO

Real Estate Lead Analytics

GA4, Google Tag Manager, Search Console, UTM strategy, and local SEO reporting for a family real estate business. Results publish after a full month of clean data.

Full measurement stack, built from zero

GA4 · GTM · Search Console

Currently building
06

Analytics + Data

Tokyo Airbnb Pricing & Marketplace Analysis

Pricing distribution, submarket trends, and host recommendations from 25,000+ Tokyo Airbnb listings, analyzed in Python and visualized in Tableau.

25,000+ listings analyzed

Python · Tableau · Pricing Analytics

Case study · in progress
07

Visual Communication

The Journey Page

A scroll-driven atlas globe tracing Hawai'i to Seattle to Tokyo to Tuscany and home again. Orthographic projection, real coastlines, and great-circle route math written by hand in canvas.

0 libraries · hand-written projection math

Canvas · Scrollytelling · Vanilla JS

Live · interactive
08

Visual Communication

Clark's Reading Notes

A lightweight, searchable reading shelf for honest notes on books I finished, paused, or plan to revisit. Built as a portable static site with local assets and no third-party JavaScript.

11 books · search and status filters · 0 dependencies

Vanilla JavaScript · Information Design · Static Web

Live · personal project
09

Visual Communication

Portfolio Website

This site, designed and built with Astro, Tailwind, and AI-assisted workflows, from brand system to deployment. The proof for the visual communication lane is the thing you're reading.

Astro · Tailwind · AI Workflow

Live · this site