John Tan Email & Phone Number

CEO of SciX3 (dba CSLabs).SciX3 is an advanced technology and engineering small business (NAICS code 541712) that combines expertise in fundamental physics, data sciences, and numerical methods with professional software development skillsets to tackle the most challenging technical problems. SciX3 is a certified 8(a) small business headquartered in Alexandria, VA.SciX3 capabilities include:•Modeling and simulation application development•Sensor simulation and detection algorithms•Physics based analysis of system performance•Machine Learning and Image Processing•Software design and development in C/C++, Java, Python, and Fortran 20XX for HPC applications

Fairfax, Virginia , Us

Arlington, Va, Us

Company chief scientist and subject matter expert for physics based modeling and simulation(M&S). Formerly, chief scientist and technical lead supporting JIEDDO M&S branch for performing physics-based M&S and associated HPC solutions

Reston, Virginia, Us

(On Casual Status)Lead scientist for the development of detection and registration algorithms.IPT software lead or developer for various projects spanning software control logic and communications for data collection units to embedded software for smart phones; primary languages JAVA, C++

Los Angeles, Ca, Us

Scientist for the design and implementation of high performance image filtering, stitching, segmentation, and classification algorithms for the analysis of computed tomosynthesis (CT) results of integrated circuits (IC). Sampling of work includes: optimized novel adaptive histogram equalization (AHE) algorithm, unsupervised classification algorithms to segment images for two-to-many classes, design and implementation of a tag based text configurable workflow pipeline framework in C++ with serialization and restart capability, 3D visualization software for viewing segmented IC's, multicore/cluster and GPU programming.

Reston, Va, Us

Subset of work encompasses multispectral, hyperspectral, spectro-polarimetric sensor modeling and simulation, data extraction, filtering, and analysis; algorithm development in C++/JAVA. Highlights include development of a novel high performance single pass image segmentation algorithm for filtering imagery data in real time. Software development in C++ with OpenGL visualization for modeling and simulation applications in theatre ballistic missile defense. Facial image recognition algorithm development including Support Vector Machine, PCA, and Kernel PCA implementations.

Fairfax, Virginia , Us

Instructor for two courses covering the fundamental aspects of scientific computing with an introduction to object-oriented programming techniques for the scientific problem domain. Topics include numerical differentiation, integration, and root finding, binary and linear search algorithms. Some OOP topics covered: Inheritance, Abstract Base Classes, Interfaces, Templates, the Standard Template Library, the UML, and Design Patterns.

Patentability, Infringement, and Validity searches on computer hardware and software algorithms, semiconductor devices, optical, mechanical, and biomedical technologies. Research of patent literature for novelty of client invention.

Greenbelt, Md, Us

Implementation of a finite element 2D Euler solver on unstructured grids for runs including the supersonic regime. Developed a Voronoi unstructured grid generator for meshing the domain of interest. Flow visualization using Opengl libraries.

Fairfax, Virginia , Us

Modeling of Extragalactic Jets coupled to Black Holes via particle-field interactions. Simulations in Fortran and Mathcad, utilizing explicit and implicit ordinary differential equation solvers.Modifying Fortran (VEGA) code from the Naval Research Laboratory (NRL) for calculating the hydrodynamics of stellar evolution on a CRAY C-90. Unit testing matrix subroutines utilizing Mathcad.Research of radiation dominated shocks near the surface of neutron stars and the associated Heun differential equation derived from the 3D Euler equations(spherical symmetry).Deriving the Euler equations in a curved space-time metric, specifically the Kerr Metric for rotating black holes; developed a Pascal program to automate the equation editor in Maple.

Ph.D., Computational Sciences

M.S., Applied And Engineering Physics

B.S., Physics