References

Case studies, testimonials & letters.

Huw · Ediya · Brent · Ethan · Robert · Conor

CASE STUDY / HUW4 WEEKS

Huw

AI-safety headhunting team lead, 80,000 Hours · July 2026

Four weeks of daily co-thinking.

Productivity · /105.6 → 7.5Before → during
Enjoyment of work · /105.2 → 6.75Before → during

Huw’s own weekly self-scores. Averages exclude the kickoff week.

“A great way to get metacognition is borrow someone else’s.”
Read the full case study ↗
TESTIMONIAL / EDIYAAPRIL 2026

Ediya

Creator & founder · April 2026

Ediya

Brand philosophy · two-week sprint

“What stands out to me re: working with you is how quickly we got past that - I think it was our first session that the philosophy came through pretty quickly”

Client and Alexander’s partner.

Read Ediya’s full interview ↗
REFERENCE / BRENTMARCH 2025

Brent Baumgartner

Founder & CEO, Refract · March 2025

“I feel like I found a right-hand guy - I feel force-amplified.”
Read Brent’s full reference ↗
REFERENCE / ETHANALVEA · JANUARY 2023
ALVEA

Ethan Alley

Co-founder, Alvea · January 2023

“Not only can Alex learn things quickly, but he can distill the important bits in an intuitive and user friendly way.”
Read Ethan’s full reference ↗
ALVEA

Robert Bölkow

Head of Operations, Alvea · January 2023

“He has used his IT and communication skills to streamline tons of operational processes, taking away a lot of work from our scientific staff.”
Read Robert’s full reference ↗

Conor Spence

Former Head of Coaching, Effective Thesis · April 2025

“Alex has a very warm, clear, honest and straightforward way of communicating.”
Read Conor’s full reference ↗