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QUBITWIRE 100

Ashley Montanaro

Co-Founder and CEO

Phasecraft

Phasecraft
United Kingdom · work baseIdentification checked 2026-09-19
WHY INCLUDED

Combines quantum-algorithm research with the development of practical quantum software, including methods for accelerating statistical estimation and extracting value from limited quantum hardware.

arXivarXiv

Montanaro links a theoretical question, how much faster a quantum algorithm can be, with the engineering question of what present machines can contribute. His Monte Carlo result establishes a general route to improved estimation under explicit assumptions. Later work explores quantum-generated samples as an input to classical simulation. Phasecraft provides an organizational setting for translating that research into software. The evidence supports a combination of algorithm design and company building, without treating projected advantage as an achieved commercial outcome.

PhasecraftarXivarXiv

Defining contributions

Work, in context
  1. 2015

    Faster Monte Carlo estimation

    Developed an algorithm offering a near-quadratic improvement for estimating the output of a bounded-variance randomized or quantum subroutine, with applications to partition functions.

    Sole author of the Monte Carlo quantum-algorithm paper.

    Source-supported recordarXiv
  2. 2023

    Quantum samples for classical simulation

    With Stasja Stanisic, proposed using quantum-generated initial samples to accelerate variational Monte Carlo, studying both numerical simulations and experiments on quantum hardware.

    Coauthor with Stasja Stanisic of the quantum-enhanced variational Monte Carlo proposal and study.

    Source-supported recordarXiv

Follow the evidence

3 sources

Primary papers, institutional records and attributed announcements. Each source supports the claims linked above.

QubitWire editorial · Content edition 2026-09-19.1Independent coverage. Inclusion does not imply endorsement.