Rafael Ortiz

For a detailed PDF copy of my CV please contact me at [email protected].

Education

MS Cybersecurity 
Johns Hopkins University
05/2018 - 08/2023 (expected)
BS Biomedical Engineering, Highest Honors
Georgia Tech
08/2011 - 05/2015

Experience

Current

Applied Security R&D Engineer @ Red Canary
05/2021 - ongoing

Past

Security Researcher @ ElevenPaths Buenos Aires Lab
10/2017 - 05/2021
Cybersecurity Presales @ Telefonica Tech Cybersecurity
01/2021 - 05/2021
Cybersecurity Specialist @ Telefonica USA
02/2017 - 12/2020
Owner @ Poolsloth VRM Cryptocurrency Mining Pool
08/2017 - 05/2019
VOIP Network, System & Security Admin @ Specialty Telehealth Services
07/2015 - 02/2017
Telemedicine Communications Specialist @ Specialty Telehealth Services
06/2015 - 07/2015
Biomedical Engineering intern @ Skeletal Dynamics
06/2015 - 07/2015
Cofounder @ PillboxTV
02/2015 - 07/2015
Undergraduate Research Assistant @ Botchwey Lab, Georgia Tech
01/2013 - 02/2015

Other

Top Languages

Here are the top five languages I use by hours, as recorded by ActivityWatch on a monthly basis.

Month 1 2 3 4 5
April 2021 Rust Python C Shell Script JavaScript
March 2021 Rust JavaScript Java Go Python
February 2021 Python Rust Shell Script Java JavaScript
January 2021 Go Java TypeScript Python Shell Script
December 2020 Rust Go Python JavaScript Java
November 2020 Java Go TypeScript C Python
October 2020 Java TypeScript Shell Script Go Python

Conferences & Speaking

(2019) High assurance digital assets and identities for humans and machines:
    building a trustworthy blockchain, Florida Blockchain Foundation Supply 
    Chain Digital Transformation Session 2: Blockchain Technology for Air Travel
    and Innovative concepts (2 July) 
    https://fbf2019.angage.events/editablepage/view/411
(2019) Blockchain in a real business, Florida Blockchain Foundation Digital 
    Transformation Session 1: Blockchain 101 (28 May)
    https://www.floridablockchainfoundation.org/events-1/supplychainworkshops
(2018) Breaking out HSTS (and HPKP) on Firefox and Chrome, Hack Miami 6 (19 May)
    https://web.archive.org/web/20180530170414/https://www.hackmiami.com/speakers-hackmiami-conference-6

Work Projects

  • CryptoClipWatcher, a Windows utility to defend against clipboard hijacking malware. Written in C#.
  • ChainLock, a Linux and Android tool to protect sensitive files. Desktop application written in C and Python, with extensions. Mobile application written in Java. The project stands up a Tor hidden service to communicate. Ask me about it sometime, it’s a fun one.

Work Blog

Patents

(2018) Methods and Systems for Multiple Independent Roots of Trust, 
    US 62/729,916 filed 11 September 2018. Patent Pending.

Papers

(2017) Sphingosine-1-Phosphate Receptor-3 Supports Hematopoietic Stem and 
    Progenitor Cell Residence Within the Bone Marrow Niche. Stem Cells, 35: 
    1040–1052. doi:10.1002/stem.2556

Posters & Abstracts

(2014) S1P receptor signaling coordinates shifting chemotactic gradients during
    hematopoietic stem cell mobilization. Hilton Head Regenerative Medicine 
    Workshop. March 2014

(2014) Coordinating hematopoietic stem cell trafficking through Sphingosine-1-
    phosphate receptor signals. Atlanta, GA: Immunoengineering Seminar. May 2014

(2014) Investigating sphingolipid-chemokine cross-talk during microvascular 
    remodeling using novel heparin hydrogels. Monterey, CA: North American 
    Vascular Biology Organization, Vascular Biology 2014

(2014) Sphingosine-1-phosphate receptor signaling is sufficient to mobilize 
    hematopoietic stem cells to peripheral blood. Southeastern regional lipid 
    conference, Cashiers, NC

(2014) Investigating sphingolipid-chemokine cross-talk during microvascular 
    remodeling using novel heparin hydrogels. Southeastern regional lipid 
    conference, Cashiers, NC.

(2014) Hematopoietic stem cell migratory activity is enhanced by Sphingosine-1-
    phosphate receptor 3 antagonism. Petit Scholarship poster session, Parker H.
    Petit Institute for Bioengineering and Bioscience.