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<!DOCTYPE html>

<head>

<title>Brian Lehman — viz.farm</title>

<style>

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {

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--border-bright: #243044;

}

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nav .nav-links a:hover {

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/* ============ HERO ============ */

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}

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color: var(--text-muted);

margin: 0 6px;

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height: 48px;

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margin: 0 auto;

animation: scrollPulse 2s ease-in-out infinite;

}

@keyframes scrollPulse {

0%, 100% { opacity: 0.3; height: 48px; }

50% { opacity: 0.8; height: 60px; }

}

@keyframes fadeUp {

from { opacity: 0; transform: translateY(20px); }

to { opacity: 1; transform: translateY(0); }

}

/* ============ SECTIONS ============ */

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margin: 0 auto;

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content: '';

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}

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margin-bottom: 32px;

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/* ============ ABOUT ============ */

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font-size: 15px;

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font-weight: 500;

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0%, 100% { opacity: 0.4; transform: scale(1); }

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/* ============ WORK ============ */

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.work-grid { grid-template-columns: 1fr; }

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position: relative;

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}

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transform: translateY(-2px);

background: var(--bg-elevated);

}

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height: 120px;

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/* Signal & Salt teaser */

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cursor: default;

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display: none;

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margin-bottom: 8px;

}

.teaser-dot {

width: 6px;

height: 6px;

border-radius: 50%;

background: var(--accent);

animation: pulse 2s ease-in-out infinite;

}

/* ============ TIMELINE ============ */

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box-shadow: 0 0 12px var(--accent-glow);

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box-shadow: 0 0 12px var(--accent-glow);

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/* ============ CONTACT ============ */

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padding-top: 80px;

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.contact-link svg {

width: 16px;

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/* ============ FOOTER ============ */

footer {

max-width: 1100px;

margin: 0 auto;

padding: 40px 32px 60px;

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align-items: center;

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user-select: none;

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.footer-easter-egg:hover {

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}

/* ============ RESPONSIVE ============ */

@media (max-width: 768px) {

section { padding: 80px 20px; }

nav .nav-links { gap: 16px; }

nav .nav-links a { font-size: 10px; letter-spacing: 0.5px; }

.contact-links { flex-direction: column; gap: 12px; }

footer { flex-direction: column; gap: 16px; text-align: center; }

}

@media (max-width: 480px) {

nav .nav-inner { padding: 0 16px; }

nav .nav-brand { font-size: 11px; }

nav .nav-links { gap: 12px; }

nav .nav-links a { font-size: 9px; }

.hero-name { letter-spacing: -1px; }

section { padding: 60px 16px; }

}

</style>

</head>

<body>

<nav>

<li><a href="#about">About</a></li>

<li><a href="/studio/">Studio</a></li>

<li><a href="#career">Career</a></li>

<li><a href="#contact">Contact</a></li>

</ul>

</div>

</nav>

<h1 class="hero-name">Brian Lehman</h1>

Data scientist<span class="sep">/</span>Visual storyteller<span class="sep">/</span>Builder

</p>

</div>

</div>

<div class="section-label">About</div>

<h2 class="section-title">Signal from noise.</h2>

I've spent my career turning <span class="highlight">ambiguous, messy data into clear signals</span> for decision-makers — and making it look good in the process.

The pattern across my work: I get pulled into rooms where the data exists but nobody knows what to do with it.

Clinical records that need to become surveillance dashboards. Transaction streams that need fairness models. Social data that need to become executive narratives.

<span class="highlight">I build the bridge</span> between the raw data and the people who need to act on it.

<span class="coming-soon">Currently building something new. More soon</span>

</p>

</section>

<h2 class="section-title">Selected projects.</h2>

<div class="teaser-badge"><span class="teaser-dot"></span> A personal project</div>

<span class="work-card-title">Signal & Salt</span>

</div>

<p class="work-card-desc">A personal lab for poking at markets with data and visualization — built out of curiosity, not advice.</p>

<span class="work-tag">Python</span>

<span class="work-tag">Markets</span>

</div>

<span class="work-card-title">Dark Orbits</span>

<span class="work-card-arrow">&nearr;</span>

</div>

<p class="work-card-desc">Cybersecurity threat visualization turning email fraud data into an interactive narrative. Proofpoint's first data viz series.</p>

<span class="work-tag">Scrollytelling</span>

<span class="work-tag">Proofpoint</span>

</div>

</a>

<span class="work-card-title">Tweet Bigly</span>

<span class="work-card-arrow">&nearr;</span>

</div>

<p class="work-card-desc">Trump's Twitter insults, visualized. 110,738 impressions. A scroll-driven node matrix of 2,200+ insults targeting 300 people, places, and things.</p>

<span class="work-tag">Data Journalism</span>

<span class="work-tag">Scrollytelling</span>

</div>

</a>

<span class="work-card-title">Twitter Languages</span>

<span class="work-card-arrow">&nearr;</span>

</div>

<p class="work-card-desc">Streamgraph of language distribution on Twitter from the first tweet in 2006 to 2013. Featured in the New York Times.</p>

</div>

</a>

<span class="work-card-title">Twitter Chords</span>

<span class="work-card-arrow">&nearr;</span>

</div>

<p class="work-card-desc">Audience segmentation via chord diagram. Presented at keynote and recognized by Jack Dorsey.</p>

<span class="work-tag">Chord Diagram</span>

<span class="work-tag">Twitter</span>

</div>

</a>

<span class="work-card-title">Trend Detection</span>

<span class="work-card-arrow">&nearr;</span>

</div>

<p class="work-card-desc">Interactive anomaly detection dashboard with adjustable thresholds. Volume spikes and trend scores visualized in real time.</p>

<span class="work-tag">Anomaly Detection</span>

<span class="work-tag">Signal Processing</span>

</div>

</a>

<span class="work-card-title">Maperator</span>

<span class="work-card-arrow">&nearr;</span>

</div>

<p class="work-card-desc">Replay the geographic flow of Twitter events on a map. Watch how conversations propagate across the world in real time.</p>

<span class="work-tag">Geospatial</span>

</div>

</a>

</div>

</section>

<div class="section-label">Career</div>

<div class="timeline-dates">2024 — Present</div>

<div class="timeline-role">Founder & Data Science Product Lead</div>

</div>

<div class="timeline-company">Career Break</div>

<div class="timeline-role">"Learned to listen."</div>

</div>

<div class="timeline-company">PayPal</div>

<div class="timeline-role">Senior Data Scientist</div>

</div>

<div class="timeline-company">Google</div>

<div class="timeline-role">Data Visualization Specialist</div>

</div>

<div class="timeline-company">Proofpoint</div>

<div class="timeline-role">Senior Data Scientist & Product Manager</div>

</div>

<div class="timeline-company">Tendril & GitPrime</div>

<div class="timeline-role">Data Scientist</div>

</div>

<div class="timeline-company">Twitter (Gnip)</div>

<div class="timeline-role">Senior Data Scientist</div>

</div>

<div class="timeline-company">Colorado School of Mines</div>

<div class="timeline-role">Mathematics Lecturer</div>

</div>

</section>

<div class="section-label">Contact</div>

brian@viz.farm

</a>

github

</a>

</a>

</div>

</section>

</footer>

// ============ HERO SIGNAL WAVE ============

(function() {

const svg = d3.select('#heroCanvas');

const container = svg.node().parentElement;

let width, height;

function resize() {

width = container.offsetWidth;

height = container.offsetHeight;

svg.attr('viewBox', `0 0 ${width} ${height}`);

}

resize();

window.addEventListener('resize', resize);

// Create multiple signal lines

const numLines = 8;

const lines = [];

for (let i = 0; i < numLines; i++) {

const path = svg.append('path')

.attr('fill', 'none')

.attr('stroke', '#00d4aa')

.attr('stroke-width', 1.2 + (i * 0.3))

.attr('stroke-opacity', 0.12 + (i * 0.04));

lines.push({ path, offset: i * 0.9, speed: 0.25 + (i * 0.06), amplitude: 25 + (i * 15) });

}

// Particle dots

const numParticles = 60;

const particles = [];

for (let i = 0; i < numParticles; i++) {

const circle = svg.append('circle')

.attr('r', Math.random() * 2.5 + 0.8)

.attr('fill', '#00d4aa')

.attr('opacity', Math.random() * 0.25 + 0.06);

particles.push({

el: circle,

x: Math.random() * width,

y: Math.random() * height,

vx: (Math.random() - 0.5) * 0.3,

vy: (Math.random() - 0.5) * 0.2

});

}

let t = 0;

function animate() {

t += 0.008;

resize();

// Animate signal lines

lines.forEach(line => {

const points = [];

const steps = Math.floor(width / 3);

for (let x = 0; x <= steps; x++) {

const px = (x / steps) * width;

const py = (height * 0.5) +

Math.sin((x / steps) * Math.PI * 3 + t * line.speed + line.offset) * line.amplitude +

Math.sin((x / steps) * Math.PI * 7 + t * line.speed * 0.7) * (line.amplitude * 0.3) +

Math.sin((x / steps) * Math.PI * 1.5 + t * line.speed * 0.3) * (line.amplitude * 0.5);

points.push([px, py]);

}

const lineGen = d3.line().curve(d3.curveBasis);

line.path.attr('d', lineGen(points));

});

// Animate particles

particles.forEach(p => {

p.x += p.vx;

p.y += p.vy;

if (p.x < 0) p.x = width;

if (p.x > width) p.x = 0;

if (p.y < 0) p.y = height;

if (p.y > height) p.y = 0;

p.el.attr('cx', p.x).attr('cy', p.y);

});

requestAnimationFrame(animate);

}

animate();

})();

// ============ TIMELINE SCROLL REVEAL ============

(function() {

const entries = document.querySelectorAll('.timeline-entry');

const observer = new IntersectionObserver((items) => {

items.forEach(item => {

if (item.isIntersecting) {

item.target.classList.add('visible');

}

});

}, { threshold: 0.2, rootMargin: '0px 0px -40px 0px' });

entries.forEach((entry, i) => {

entry.style.transitionDelay = `${i * 0.08}s`;

observer.observe(entry);

});

})();

// ============ MINI CARD VISUALIZATIONS ============

(function() {

const accent = '#00d4aa';

const red = '#ff4757';

const muted = '#3d4a5c';

const amber = '#ffbe0b';

const purple = '#9b7aff';

const blue = '#42a5f5';

// Helper: get dimensions of an SVG element

function dims(id) {

const el = document.getElementById(id);

if (!el) return null;

const w = el.clientWidth || 340;

const h = el.clientHeight || 120;

return { el, w, h };

}

// 1. Signal & Salt — candlestick-style price chart with signal markers

(function() {

const d = dims('viz-signal');

if (!d) return;

const svg = d3.select('#viz-signal').attr('viewBox', `0 0 ${d.w} ${d.h}`);

const n = 40;

let prices = [50];

for (let i = 1; i < n; i++) prices.push(prices[i-1] + (Math.random()-0.48)*3);

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