RWH069: The Psychology of Investing w/ Emily Haisley

Episode Summary

Executive Summary: Emily Haisley, BlackRock’s head of behavioral finance, explains how psychology, team design, and physiology shape investing outcomes. She describes using behavioral analytics, structured debate, defaults, pre-mortems, and wearable data to reduce bias, improve decision-making, and manage stress. The conversation also explores ego, self-awareness, right livelihood, and practical habits for staying rational under pressure.

Main Topics: Behavioral finance at BlackRock (Priority: 5/5): Haisley outlines her role in helping investment teams identify and reduce biases, review decision processes, and improve team dynamics through a consultative, independent function within BlackRock’s risk framework. Quantifying investor bias in portfolios (Priority: 5/5): She explains how BlackRock uses analytics to measure biases such as loss aversion, disposition bias, myopic loss aversion, overconfidence, and excess trading by analyzing holdings, trading data, and other process inputs. Team structure and decision quality (Priority: 5/5): The discussion emphasizes how to improve outcomes through psychological safety, independent viewpoints, blind voting, devil’s advocacy, pre-mortems, and diverse committee composition to reduce correlated errors. Stress, physiology, and investor performance (Priority: 5/5): Haisley describes using Aura ring data to connect stress, sleep, and physiology with portfolio behavior, aiming to keep investors in a balanced state and prevent decisions driven by cortisol, burnout, or emotional overload. Ego, self-awareness, and right livelihood (Priority: 4/5): Both speakers discuss how ego distorts judgment, why good investors focus on the problem rather than being right, and how meaningful work can coexist with a corporate finance career. Learning through mistakes and simulation (Priority: 4/5): The AI-driven war-game tool at BlackRock lets teams rehearse volatile-market decision-making in a low-stakes environment, helping them build habits and understand how they react under pressure. Personal development and mindset shifts (Priority: 4/5): Haisley shares personal practices—stopping self-criticism, noticing breath, and listening better—that mirror the investor coaching she provides: greater awareness, emotional distance, and better pacing.

Key Arguments: Investor psychology is a form of risk; markets are not the only source of portfolio failure because self-sabotage can undermine good decisions. Behavioral analytics are most useful when they reveal systematic mistakes that can be corrected through process changes or nudges, not just random noise. Loss aversion commonly leads investors to scale into new positions too slowly and to hold losers too long, but defaults, documentation, and team norms can reduce this. Private-market investing is especially vulnerable to sunk-cost bias because due diligence creates emotional and financial attachment to deals. Teams make better decisions when they collect independent views before discussion, encourage disagreement, and prevent senior voices from anchoring the group. A good investment team should be structured so that everyone else’s job is to challenge and de-bias the lead decision maker. Stress materially affects risk taking; if investors are physiologically stressed for reasons unrelated to market fundamentals, their decisions become less rational. Rest and recovery are part of the job; investors should not only work hard but also “rest hard” to avoid burnout and distorted judgment. AI can be used not just for prediction but to simulate stressful market environments, helping investors rehearse disciplined responses before real drawdowns occur. Ego is one of the biggest obstacles to good investing; the best investors care more about the market truth than about being personally right.

Data Points: BlackRock assets under management: more than $14 trillion - William Green introduces BlackRock as the world’s largest asset manager Emily Haisley tenure at BlackRock: about a decade - Discussing her career and role at BlackRock BlackRock customer base for retirement-related money: about 35 million Americans - Used to illustrate the public-trust dimension of BlackRock’s work BlackRock customer count: over 43,000 customers - Mentioned in a NetSuite sponsor message, not part of the interview content Time since first meeting: about 2 years - William says he had been looking forward to recording since they first met Number of years before BlackRock intervention at one real-estate IC: 7 years - Thomas Müller-Borger described a 100% approval rate before process changes IC approval rate before changes: 100% - Thomas’s investment committee previously approved every deal discussed Committee composition change: 0 women to 3 women - Thomas described changing the IC composition to include more women Committee size after expansion: 10 people - Thomas said the committee became too large at this size Committee size after resizing: 7 or 8 people - Thomas described reducing the IC to a more workable size Drawdown period mentioned: conflict in Iran - Emily references a post-mortem on adding risk during a market drawdown triggered by geopolitical conflict Portfolio position example: Alibaba down about a third - William uses his own holding as an example of disposition bias and cognitive burden Alibaba ownership period: since 2021 - William says he has owned the stock for roughly five years Minimum holding rule: 5 years - William says he does not allow himself to sell a stock for five years after buying it Cortisol exposure study duration: about a week or slightly more - Emily cites research showing sustained cortisol can alter risk preferences Stress effect on risk preferences: risk aversion - Cortisol administration was associated with more risk-averse behavior in the cited study Podcast sponsor claim: $100 starting amount - Promotion for Plus500 Futures, not part of the interview BlackRock meeting / team dynamic concept: anonymous voting and pre-mortems - Structural interventions used to improve committee decisions

Pivotal Quotes: "the investor's chief problem and even his worst enemy is likely to be himself" — William Green citing Ben Graham: Used to frame the episode’s core idea that psychology is a major source of investment risk "the responsibility of everyone else in that team is to de-bias the decision maker" — Emily Haisley: Explaining how investment teams should be structured to challenge the lead PM "it's not just their job to work hard, it's also their job to rest hard" — Emily Haisley: Her advice on managing stress and avoiding burnout in volatile markets

Implications: Investors and firms should treat psychology, physiology, and team design as core parts of risk management. Better outcomes come from structured disagreement, self-awareness, and disciplined rest—not just intelligence or conviction.