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Alexander Radnaev Top-Executive

Engineer, Physicist, Data Scientist, and energetic, entrepreneurial team leader with a strong record of research and development, and operational results. Over 16 years experience in Physics, Statistics, Software, Hardware, and Systems Engineering in academia and industry.

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Headquarters: Boulder, Colorado, United States
Followers: 3898
Title: Director of R&D
Company: Infleqtion
Company Linkedin: https://www.linkedin.com/company/infq/
Current Job Duration: 1 yr 5 mos
Country: United States
License And Certifications: Name: Machine Learning Authority: Coursera Course Certificates Company ID: None Date: 5/2016 URL: None
Work Experience: Title: Director of R&D Company: Infleqtion Company URL: https://www.linkedin.com/company/infq/ Industry: None Company Size: None Location: On-site Country: None Employment Type: Full-time Start At: 02-2025 Ends At: Present Description: None Title: Technical Program Manager Company: Infleqtion Company URL: https://www.linkedin.com/company/infq/ Industry: None Company Size: None Location: On-site Country: None Employment Type: Full-time Start At: 01-2023 Ends At: 02-2025 Description: None Title: Lead Quantum Physicist Company: Infleqtion Company URL: https://www.linkedin.com/company/infq/ Industry: None Company Size: None Location: On-site Country: None Employment Type: Full-time Start At: 10-2021 Ends At: 02-2025 Description: Leading a team of 7 physicists and 9 hardware engineers to build first digital quantum computer on neutral atoms. - 5 direct reports (PhDs Quantum Physicists), 11 people in organization - Accountable for Hilbert Quantum Computer hardware - Collaborating with software engineering team - hiring manager for Quantum Physicists (Hired stellar performing Physics PhDs from MIT, Berkeley), Machine Learning Software Engineer, Lead System Design Engineer (Hired VP of Engineering for the position). - Rydberg interaction physics for Controlled-Z two qubit gates. - developed software (python) for controlling physics layer of quantum computer - project management (critical path analysis, Gantt charts, scrum of scrums) Successful initiatives: - culture of defining requirements via actionable test plans - helped to reduce misunderstanding, define scope of work - no meetings Fridays, software demo meetings, share learnings meetings - quarterly check-in process, OKRs - in-house laser systems development - researched and implemented on-call system (Opsgenie) to keep quantum computer up and running - "Share learnings" weekly meeting for people to share what they have learnt with others and learn from others - team skiing at Eldora - Toastmasters for public speaking and intra-company networking Title: Sr Quantum Physicist Company: Infleqtion Company URL: https://www.linkedin.com/company/infq/ Industry: None Company Size: None Location: Boulder, Colorado, United States Country: None Employment Type: Full-time Start At: 03-2020 Ends At: 10-2021 Description: - Building a quantum computer on neutral atoms (systems engineering, quantum engineering, software & hardware, high power low noise laser systems, project management). First 9 months: - Hired and engaged two high performers - Filed one provisional patent on quantum state readout - Contributed to Rydberg-based Quantum Computer design (Quantum Processing Unit (QPU) and laser modules design reviews, developed parts of software control system) - Improved high power laser system design that is beyond commercially available technology - Contributed to company and team processes (scrum, JIRA, RACI, pre-mortem, checklists, equipment tracking, collaborative documentation, meeting notes, hiring, onboarding, performance reviews). - Delivered 3 company wide technical talks (Bayesian statistics, crypto & blockchain, atomic clocks and time keeping), taught git to physicists and program manager. Title: CEO and Co-Founder Company: ETAbot, Inc. Company URL: https://www.linkedin.com/company/etabot-ai/ Industry: Information Technology And Services Company Size: 1-10 Location: Boulder, CO Country: None Employment Type: None Start At: 04-2018 Ends At: Present Description: None Title: Senior Research Associate Company: National Institute of Standards and Technology Company URL: https://www.linkedin.com/company/nist/ Industry: Research Company Size: 1001-5000 Location: Boulder, CO Country: None Employment Type: Full-time Start At: 10-2018 Ends At: 03-2020 Description: Built NIST-F3 Cesium fountain atomic clock (physics package & control system design; built microwave, laser, vacuum subsystems; system level integration, testing). Contributed to Thorium-229 nuclear clock research and proposal. Built team of three high performing undergraduate research assistants. Served as the co-chair for Advances in Next Generation Clocks session at the Precision Time and Time Interval meeting 2020. Taught at the annual NIST Time and Frequency Seminar 2019 Contributed to Assured Access to Accurate Time working group for Timing infrastructure resiliency. Secretary for the IEEE 1193, 1139 Working Groups. Title: Data Science Consultant Company: Glint Inc. Company URL: https://www.linkedin.com/company/glint-inc-/ Industry: Computer Software Company Size: 201-500 Location: Boulder, CO Country: None Employment Type: None Start At: 09-2018 Ends At: 10-2018 Description: None Title: Data Science Manager Company: Glint Inc. Company URL: https://www.linkedin.com/company/glint-inc-/ Industry: Computer Software Company Size: 201-500 Location: United States Country: None Employment Type: None Start At: 02-2018 Ends At: 09-2018 Description: Leading a team of statistical fortune tellers Title: Sr. Data Scientist Company: Glint Inc. Company URL: https://www.linkedin.com/company/glint-inc-/ Industry: Computer Software Company Size: 201-500 Location: Redwood city, CA Country: None Employment Type: None Start At: 07-2016 Ends At: 01-2018 Description: Statistical fortune teller Title: Product Development Manager Company: AOSense, Inc Company URL: https://www.linkedin.com/company/3779739/ Industry: None Company Size: None Location: San Francisco Bay Area Country: None Employment Type: None Start At: 10-2015 Ends At: 06-2016 Description: Bringing frontier laser technology to market in a start-up within a company ● Sales (landed purchased orders for quarter million dollars in half a year, established quote generation process) ● Marketing (glossy spec sheets, exhibition) ● Product launch at major exhibition (SPIE Photonics West) ● R&D for next generation External Cavity Diode Lasers ● Established Manufacturing of scientific lasers, shipped to customers ● Launched Scrum Agile Development in the company, improved teams efficiency and predictability, Scrum Master for 2 teams ● Initiated Version Control for design efforts and business processes in the company ● Managed two direct reports ● Promoted one direct report from Sr. Optical Manufacturing Engineer to Optical Manufacturing Manager Title: System Design Engineer Company: KLA-Tencor Company URL: https://www.linkedin.com/company/klacorp/ Industry: Semiconductors Company Size: 10001+ Location: Milpitas, CA Country: None Employment Type: None Start At: 09-2012 Ends At: 10-2015 Description: Systems and Hardware Manager, Scanning Electron Microscope eDR-7xxx ● Product Development – Systems Lead in a global team of 50+ engineers to build and integrate software, electrical, optical, electron-optics, and mechanical components to develop next generation eDR-7xxx; accountable for shipping and installing the product at customer site, as well as bringing product up for production. ● Project Management – Accountable for system Project Plan (MS Project Server) for prototype, alpha, beta development phases. ● Presented results to CEO and CTO and secured funding approval for next development phase and manufacturing ramp. ● Mentored 3 systems engineers. R&D Project Lead, Laser Illumination Subsystem for Optical Microscope ● Optical Architecture – Developed cost-benefit optimized Laser Subsystem increasing profit 6X vs. original design. Developing next generation imaging system with patented signal-to-noise ratio enhancement based on polarization-spatial filters. ● Innovation – Led development of ultra-stable opto-mechanical design for laser illumination system. ● Project Management – Managed team of 16 engineers to implement system requirements across optical, electrical, mechanical, and software functions through entire Development Life Cycle, including manufacturing ramp. ● Laser and Optics Vendor Relationships – Created requirements for and managed RFP process for a laser with 7 vendors resulting in 2X cost reduction and established dual vendor sourcing. Title: Graduate Research Assistant Company: Georgia Institute of Technology Company URL: https://www.linkedin.com/school/georgia-institute-of-technology/ Industry: None Company Size: None Location: Atlanta, GA Country: None Employment Type: None Start At: 07-2008 Ends At: 09-2012 Description: Experimental Atomic Molecular Optical (AMO) Physics in Quantum Optics. System engineering of multi-component (photonics, electronics, vacuum, measurement and automation) experimental setups. Recruited and mentored 8 undergraduate and graduate research assistants. Project lead, Optical Nuclear Clock • High power Nonlinear Optics and Laser systems – Designed and built the following laser systems: o Second Harmonic Generation (SHG) of multimode laser: 532 nm 80 W-> 266 nm 8 W; BBO Type-I, o Continuous Wave SHG system using impedance matched bow-tie cavity for 432 nm light; PPKTP, o UV Third harmonic generation: 939 nm x 2 + 939 nm ->313 nm, KDP, CW 0.35% efficiency, o UV Forth harmonic generation: 1064 nm -> 532 nm -> 266 nm, LBO, BBO, o Optical Parametric Oscillator: 300 nm – 500 nm tunable, pumped with 266 nm light, o Fiber-optic phase modulation spectrum shaping at 690, 717, 984, 1088 nm, 20 GHz bandwidth, o External Cavity Diode Lasers: 780 nm, 795 nm, 1324 nm, 690 nm, 984 nm, 1088 nm, 717 nm. Project lead, Nonlinear optics interface for Quantum Memory and telecom fibers • Four-wave mixing – Achieved unprecedented four-wave mixing conversion efficiency of 65% at single-photon level in rubidium gas between 795 nm and 1367 nm using 1324 nm and 780 nm pumps. • Ultra-stable opto-mechanics – Designed and implemented ultra-stable opto-mechanics for Master Oscillator Power Amplifier (saved 1,000 man hours from realigning). • 100 m fiber-optic quantum telecommunication link in E band, published in Nature Phys. 6, 894 (2010). • Led a team of three undergraduate research assistants. Title: Graduate Teaching Assistant Company: Georgia Institute of Technology Company URL: https://www.linkedin.com/school/georgia-institute-of-technology/ Industry: None Company Size: None Location: None Country: None Employment Type: None Start At: 08-2007 Ends At: 12-2008 Description: Taught at physics recitations and physics advanced lab. Title: Undergraduate research assistant Company: Lebedev Physical Institute Company URL: None Industry: None Company Size: None Location: Moscow, Russia Country: None Employment Type: None Start At: 09-2004 Ends At: 06-2007 Description: Experiments in Atomic Molecular Optical physics: designed and built apparatus for laser cooling of cesium, carried out experiments on electromagnetically induced transparency effects in rubidium and cesium vapours. Title: Software Engineer Company: Federal Real Estate Registry (RosTechInventorization) Company URL: None Industry: None Company Size: None Location: Moscow, Moscow City, Russia Country: None Employment Type: None Start At: 03-2007 Ends At: 05-2007 Description: Developed adaptive software to access the Moscow Real Estate Federal database (Oracle, SQL, ADO.NET, C#) at minimum communication bandwidth (dial-up) and continuously changing database schema Title: Guest researcher Company: National Institute of Standards and Technology Company URL: https://www.linkedin.com/company/nist/ Industry: Research Company Size: 1001-5000 Location: None Country: None Employment Type: None Start At: 06-2006 Ends At: 08-2006 Description: Worked on the cesium fountain atomic clock optical system. Performed data analysis for: "Testing Local Position Invariance with Four Cesium-Fountain Primary Frequency Standards and Four NIST Hydrogen Masers" N. Ashby et. al. Phys. Rev. Lett. 98, 070802 (2007) Title: client Company: ABC Linguistic Summer Camp Lake Baikal Company URL: None Industry: None Company Size: None Location: None Country: None Employment Type: None Start At: 2001 Ends At: 2002 Description: None
Education: School: Stanford University Degree: Graduate Certificate in Data Mining and Applications Field: Statistics Period: 2014 - 2016 School: Stanford University Degree: Electrical and Electronics Engineering Field: Period: 2014 - 2015 School: Georgia Institute of Technology Degree: PhD Field: Physics Period: 2007 - 2012 School: Moscow Engineering Physics Institute (National Research Nuclear University) Degree: University Diploma with Honors Field: Condensed Matter and Materials Physics Period: 2004 - 2007
Headline: Building quantum computers on neutral atoms at Infleqtion
Connections: 3762
Languages: English, Russian
Skills: Project Management, Scrum, Agile Project Management, Product Development, Team Leadership, Project Planning, Manufacturing, Photonics, Spectroscopy, Physics, Optics, Experimentation, Laser, R&D, Systems Engineering, Quantum Optics, Nanotechnology, Labview, Metrology, Characterization, Mathematica, LaTeX, Matlab, Django, Laser Physics, Experimental Physics, Nanofabrication, Leadership, Simulations, Thin Films, Vacuum, Scanning Electron Microscopy, Mathematical Modeling, Nanomaterials, Semiconductors, Cross-functional Team Leadership, Engineering Management, Cross-functional Coordination, Research and Development (R&D), Agile Methodologies
Experience: Title: Director of R&D Company: Infleqtion Location: Boulder, Colorado, United States Start: Feb 2025 End: Present Title: Technical Program Manager Company: Infleqtion Location: Boulder, Colorado, United States Start: Jan 2023 End: Feb 2025 Title: Lead Quantum Physicist Company: Infleqtion Location: Boulder, Colorado, United States Start: Oct 2021 End: Feb 2025 Title: Sr Quantum Physicist Company: Infleqtion Location: Boulder, Colorado, United States Start: Mar 2020 End: Oct 2021 Title: CEO and Co-Founder Company: ETAbot, Inc. Location: Boulder, CO Start: Apr 2018 End: Present Title: Senior Research Associate Company: National Institute of Standards and Technology Location: Boulder, CO Start: Oct 2018 End: Mar 2020 Title: Data Science Consultant Company: Glint Inc. Location: Boulder, CO Start: Sep 2018 End: Oct 2018 Title: Data Science Manager Company: Glint Inc. Location: United States Start: Feb 2018 End: Sep 2018 Title: Sr. Data Scientist Company: Glint Inc. Location: Redwood city, CA Start: Jul 2016 End: Jan 2018 Title: Product Development Manager Company: AOSense, Inc Location: San Francisco Bay Area Start: Oct 2015 End: Jun 2016 Title: System Design Engineer Company: KLA-Tencor Location: Milpitas, CA Start: Sep 2012 End: Oct 2015 Title: Graduate Research Assistant Company: Georgia Institute of Technology Location: Atlanta, GA Start: Jul 2008 End: Sep 2012 Title: Graduate Teaching Assistant Company: Georgia Institute of Technology Location: Start: Aug 2007 End: Dec 2008 Title: Undergraduate research assistant Company: Lebedev Physical Institute Location: Moscow, Russia Start: Sep 2004 End: Jun 2007 Title: Software Engineer Company: Federal Real Estate Registry (RosTechInventorization) Location: Moscow, Moscow City, Russia Start: Mar 2007 End: May 2007 Title: Guest researcher Company: National Institute of Standards and Technology Location: Start: Jun 2006 End: Aug 2006 Title: client Company: ABC Linguistic Summer Camp Lake Baikal Location: Start: 2001 End: 2002
Publications: Magnetic dipole and electric quadrupole moments of the 229Th nucleus (Physical Review A · Jan 1, 2013) Observation of the 717-nm electric quadrupole transition in triply charged thorium (Physical Review A · Dec 1, 2012) A Single-Ion Nuclear Clock for Metrology at the 19th Decimal Place (Physical Review Letters · Jan 1, 2012) Wigner Crystals of 229Th for Optical Excitation of the Nuclear Isomer (Phys. Rev. Lett. · Jan 1, 2011) Entanglement of light-shift compensated atomic spin waves with telecom light (Dec 1, 2010) A quantum memory with telecom-wavelength conversion (A. G. Radnaev et al, Nature Physics 6, 894 (2010). · Sep 26, 2010) A Multiplexed Quantum Memory (Optics Express · Jan 1, 2009) Magneto-Optical Resonances in Field of Counter-Propagating Waves (JETP Letters · Jan 1, 2007) Testing Local Position Invariance with Four Cesium-Fountain Primary Frequency Standards and Four NIST Hydrogen Masers (Phys. Rev. Lett · Jan 1, 2007)
Awards: Distinguished student poster | 43d Precise Time and Time Interval (PTTI) meeting | Nov 2011 Gilbert F. Amelio Award for Excellence in Graduate Research | Georgia Institute of Technology | Apr 2011 Winner of Cryptography Olympiad | Institute of Mathematics, Economics and Informatics at Irkutsk State University | Mar 2003
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