Gabriel Marcus Email & Phone Number

Menlo Park, California, US

• 𝗣𝗿𝗼𝗷𝗲𝗰𝘁 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 𝗠𝗮𝗻𝗮𝗴𝗲𝗿 𝗳𝗼𝗿 𝘁𝗵𝗲 𝗖𝗮𝘃𝗶𝘁𝘆-𝗕𝗮𝘀𝗲𝗱 𝗫-𝗿𝗮𝘆 𝗙𝗿𝗲𝗲-𝗘𝗹𝗲𝗰𝘁𝗿𝗼𝗻 𝗟𝗮𝘀𝗲𝗿 (𝗖𝗕𝗫𝗙𝗘𝗟) 𝗥&𝗗 𝗣𝗿𝗼𝗷𝗲𝗰𝘁.
• Defined overall project scope and deliverables and managed revisions
• Managed, integrated and tracked multi-laboratory (SLAC and ANL) project plans
• Tracked overall progress (milestones met relative to plan, etc.) and reported to key stakeholders (DOE funding program and SLAC/ANL lab management)𝗣𝗜 (𝗦𝗟𝗔𝗖) 𝗳𝗼𝗿 𝘁𝗵𝗲 𝗖𝗕𝗫𝗙𝗘𝗟 𝗽𝗿𝗼𝗷𝗲𝗰𝘁.The scientific objectives of this.
• Defined project objectives and provided scientific and technical leadership
• Led the development of overall physics requirements

Menlo Park, California, US

• 𝗣𝗿𝗼𝗷𝗲𝗰𝘁 𝗺𝗮𝗻𝗮𝗴𝗲𝗿 𝗮𝗻𝗱 𝗽𝗿𝗼𝗷𝗲𝗰𝘁 𝘀𝗰𝗶𝗲𝗻𝘁𝗶𝘀𝘁 𝗳𝗼𝗿 𝘁𝗵𝗲 𝘀𝗼𝗳𝘁 𝘅-𝗿𝗮𝘆 𝘀𝗲𝗹𝗳-𝘀𝗲𝗲𝗱𝗶𝗻𝗴-𝗜𝗜 𝗽𝗿𝗼𝗷𝗲𝗰𝘁 𝗮𝘁 𝗟𝗖𝗟𝗦/𝗟𝗖𝗟𝗦-𝗜𝗜
• Defined scope, cost, and schedule to move and upgrade the SXRSS infrastructure in preparation for high repetition rate electron bunches from LCLS-II.
• Managed and supervised the upgrade plans including optics cooling, beam overlap diagnostic redesign, and controls architecture and device improvements.𝗣𝗜 𝗳𝗼𝗿 𝘁𝗵𝗲 𝗤-𝘀𝘄𝗶𝘁𝗰𝗵𝗲𝗱 𝗿𝗲𝗴𝗲𝗻𝗲𝗿𝗮𝘁𝗶𝘃𝗲 𝗮𝗺𝗽𝗹𝗶𝗳𝗶𝗲𝗿 𝗳𝗿𝗲𝗲-𝗲𝗹𝗲𝗰𝘁𝗿𝗼𝗻 𝗹𝗮𝘀𝗲𝗿.
• See above for more details.
• Supported 1 Stanford physics graduate student and ~ 1 FTE equivalent effort distributed over a number of subject matter experts (accelerator, optics).

Menlo Park, California, US

• 𝗣𝗿𝗼𝗷𝗲𝗰𝘁 𝘀𝗰𝗶𝗲𝗻𝘁𝗶𝘀𝘁 𝗮𝗻𝗱 𝗽𝗵𝘆𝘀𝗶𝗰𝗶𝘀𝘁 𝗳𝗼𝗿 𝘁𝗵𝗲 𝗟𝗖𝗟𝗦-𝗜𝗜 𝘀𝗼𝗳𝘁 𝘅-𝗿𝗮𝘆 𝘀𝗲𝗹𝗳-𝘀𝗲𝗲𝗱𝗶𝗻𝗴-𝗜𝗜 𝗽𝗿𝗼𝗷𝗲𝗰𝘁 𝘂𝗽𝗴𝗿𝗮𝗱𝗲See above for details.𝗟𝗲𝗮𝗱 𝗳𝗿𝗲𝗲-𝗲𝗹𝗲𝗰𝘁𝗿𝗼𝗻 𝗹𝗮𝘀𝗲𝗿 𝗺𝗼𝗱𝗲𝗹𝗶𝗻𝗴 𝗽𝗵𝘆𝘀𝗶𝗰𝗶𝘀𝘁 𝗳𝗼𝗿 𝗟𝗖𝗟𝗦-𝗜𝗜 𝗮𝗻𝗱 𝗟𝗖𝗟𝗦-𝗜𝗜-𝗛𝗘
• Interface with accelerator physics beam dynamics group to ensure future FEL performance met requirements.
• Define subsystem requirements related to FEL performance.
• Provide regular reports and updates to LCLS-II and LCLS-II-HE project stakeholders at DOE meetings, Facility Advisory Committee meetings, Director's reviews, and internal project reviews.𝗟𝗲𝗮𝗱 𝗶𝗻𝘃𝗲𝘀𝘁𝗶𝗴𝗮𝘁𝗼𝗿 𝗼𝗻 𝘁𝗵𝗲 𝘀𝗼𝗳𝘁.
• Lead and coordinate the team investigating the origin and growth properties of the spectral pedestal observed in self-seeded FEL amplification.
• Lessons learned applied to SXRSS upgrade projects.𝗦𝗶𝗺𝘂𝗹𝗮𝘁𝗶𝗼𝗻 𝘀𝘂𝗯𝗰𝗼𝗺𝗺𝗶𝘁𝘁𝗲𝗲 𝗹𝗲𝗮𝗱 𝗳𝗼𝗿 𝘁𝗵𝗲 𝗟𝗖𝗟𝗦 𝗦𝗲𝗲𝗱𝗶𝗻𝗴 𝗧𝗮𝘀𝗸𝗳𝗼𝗿𝗰𝗲

Menlo Park, California, US

• 𝗣𝗼𝘀𝘁𝗱𝗼𝗰𝘁𝗼𝗿𝗮𝗹 𝗿𝗲𝘀𝗲𝗮𝗿𝗰𝗵𝗲𝗿 𝗶𝗻 𝘁𝗵𝗲 𝗙𝗘𝗟 𝗽𝗵𝘆𝘀𝗶𝗰𝘀 𝗴𝗿𝗼𝘂𝗽 𝗶𝗻 𝘁𝗵𝗲 𝗔𝗰𝗰𝗲𝗹𝗲𝗿𝗮𝘁𝗼𝗿 𝗗𝗶𝗿𝗲𝗰𝘁𝗼𝗿𝗮𝘁𝗲
• Led the numerical evaluation of various free-electron laser beamlines for the LCLS-II project. Reported performance estimates at regular DOE, Facility Advisory, and Director's reviews.
• Developed and studied advanced free-electron laser concepts for LCLS and LCLS-II.
• Assisted in machine development studies of the LCLS, including novel soft x-ray self-seeding and harmonic lasing experiments.

Berkeley, CA, US

• FEL modeling physicist for the proposed Next Generation Light Source at LBNL. Reported FEL performance at regular DOE and Director's reviews.

Los Angeles, CA, US

• Assisted in the development of analytic models to quickly evaluate the FEL collective instability using a minimal number of scaled parameters that individually represent essential system features.
• Designed and constructed an ultra-fast Frequency-Resolved Optical Gating (FROG) diagnostic that is based on a transient-grating (TG) third-order nonlinear optical process.
• Implemented the TG FROG diagnostic at an advanced FEL test facility to measure the detailed longitudinal profile of longitudinally coherent and single-spike radiation pulses from a FEL using an energy-chirped electron.
• Developed Matlab code for image processing and reconstruction using advanced FROG algorithms.

Tucson, Arizona, US

• Assisted in the development of a theoretical model to understand how collective flagellarhydrodynamics determine fluid flow around the volvocalean green algae Volvox.
• Assisted in the experimental measurements of this fluid flow using particle image velocimetry.

Tucson, Arizona, US

• Investigated the thermodynamic processes of liquefied simple organic materials to search for the acceleration of chemical reactions with applications to the surface chemistry of Europa using gas chromatography and.

Doctor Of Philosophy (Phd), Physics

Bachelor Of Science (Bs), Physics

Bachelor Of Science (Bs), Mathematics