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Ryan Ehrhardt Email & Phone Number

Corporate Security Engineer
Location: United States 10 work roles 2 schools
1 work email found @yelp.com 2 phones found area 815 LinkedIn matched
✓ Verified August 2026 4 data sources Profile completeness 86%

Contact Signals · 1 work email · 2 phones

Work email r****@yelp.com
Direct phone (815) ***-****
LinkedIn Profile matched
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Role
Corporate Security Engineer
Location
United States

Who is Ryan Ehrhardt? Overview

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Quick answer

Ryan Ehrhardt is listed as Corporate Security Engineer based in United States. AeroLeads shows a work email signal at yelp.com, phone signal with area code 815, and a matched LinkedIn profile for Ryan Ehrhardt.

Ryan Ehrhardt previously worked as Senior Corporate Security Engineer at Stellar Development Foundation and Senior Information Security Engineer at Yelp. Ryan Ehrhardt holds Ms, Computer Science from Northern Illinois University.

Company email context

Email format at yelp.com

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{first_initial}{last}@yelp.com
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AeroLeads found 1 current-domain work email signal for Ryan Ehrhardt. Compare company email patterns before reaching out.

Profile bio

About Ryan Ehrhardt

Dynamic security professional offering over a decade of experience. Valued for ability to acquire technical knowledge and skills rapidly, rising to new challenges creatively. Innovative solution focused thinker, able to see and communicate the business and technical sides of a problem while working in a fast-paced environment. Strategic, broad-based thinking & communication style formed from business start-up, managing, teaching, consulting, and global travel experiences.

Listed skills include Penetration Testing, Application Security, Information Sec, Computer Security, and 27 others.

10 roles · 30 years

Ryan Ehrhardt work experience

A career timeline built from the work history available for this profile.

Senior Information Security Engineer

San Francisco, Ca, Us

I am part of the Corporate Security team performing incident response activities, enhancing the alerting infrastucture, and growing risk management practices.

Jan 2019 - Sep 2022

Staff Corporate Security Engineer

Mz

Palo Alto, Ca, Us

At MZ, I worked to create and enhance security programs across several security domains. I built out, launched and maintained the bug bounty program. Was part of initiating the risk management program. I wrote processes and methodologies for application security, risk management practices, and company wide policies for compliance initiatives. I Created, updated and maintained tools to automate internal and company wide processes. Was the PO for a homegrown access management tool creating the development road map, user stories and QA testing. I performed design reviews and security assessments for internal projects and risk assessments of internal assets. Created and delivered security initiatives presentation to teams across the company. Strategically, organized and designed processes across the security teams, identified and matured security champions across the company, worked with and established soft gates with several teams.* Initiated and maintained Bug Bounty program* Initiated Risk Management program* Drafted Policies and Standards for company* Drafted methodologies, processes and procedures for Application and Corporate Security* Supported and enhanced home-grown access management tool* PO for home-grown access management tool after migration to automation team* Performed design reviews and security assessments for internal projects and risk assessments* Performed security awareness training

Jul 2016 - Feb 2018

Senior Security Consultant

San Jose, Ca, Us

Cisco acquired Neohapsis in January 2015. I continued my role as a security consultant performing network and application penetration tests and providing security advisory services. I also expanded my sales engineering support to include responding to RFP and directly assisting business development in the LATM theatre.

Jan 2015 - Jul 2016

Security Consultant

Chicago, Il, Us

In this role I provided various security consulting services for small to large corporations focusing on network penetration testing and application security assessments. Additionally I performed vulnerability assessments, wireless assessments, mobile application assessments, Security Program Reviews and ISO Readiness Assessments. I also provided sales engineering support, project scoping guidance, and updates to methodologies. I was frequently chosen to tackle unique, challenging projects.

Nov 2013 - Jan 2015

Independent Consultant

Us

Contract security services- Web application graybox and blackbox assessments- Internal and external penetration tests- Code assisted mobile application security assessments

Aug 2011 - Oct 2013

Security Consultant

Chicago, Il, Us

General Security consultant working in several domains.IT security- Security lab testing for Enterprise Management tools and network devices like VPN concentrators- Network architecture and firewall configuration reviews- Vulnerability scanning platform evaluations for effectiveness- Managed the vulnerability detection and assessment serviceSecurity Compliance- DIACAP readiness assessments of healthcare products- PCI vulnerability scanning and advisoryForensics- Device audits with EnCase and FTK Red Teaming- Network penetration tests- Greybox and blackbox web application security assessments- Greybox and blackbox mobile application security assessments for iOS, Android, and Blackberry

Jul 2007 - Jul 2011

Support Specialist

Chicago, Illinois, Us

- PCI support team, provided PCI compliance guidance to level 3 and 4 merchants. - Assisted senior PCI consultants providing guidance to level 1 and 2 merchants and service providers.- Lead a sales initiative to acquire new customers through partner banks by providing PCI SAQ guidance

Oct 2006 - Jul 2007

Teaching Assistant

Niu

Dekalb, Il, Us

- Taught C, C++, Java, and HTML- Reinforced beginning and intermediate computing and programming concepts- Introduced and enforced secure and efficient coding practices

Jun 2004 - Jun 2006

Coo

Kirlin Supernet, Inc.

Director of OperationsManaged all aspects of an ISP startup through its first 2 years, gained early-stage ISP business start up acumen.- Managed staff and grew company >1000% in a competitive environment through strategic marketing- Oversaw purchasing and installation of equipment for network expansion- Monitored company's monthly income and expenses and Managed all business accounts- Managed company's advertising and public relations

1997 - 2000 ~3 yrs
2 education records

Ryan Ehrhardt education

Ms, Computer Science

Northern Illinois University

Bachelor'S Degree, Mathematics And Computer Science

Northern Illinois University
FAQ

Frequently asked questions about Ryan Ehrhardt

Quick answers generated from the profile data available on this page.

What is Ryan Ehrhardt's role at their current company?

Ryan Ehrhardt is listed as Corporate Security Engineer.

What is Ryan Ehrhardt's email address?

AeroLeads has found 1 work email signal at @yelp.com for Ryan Ehrhardt.

What is Ryan Ehrhardt's phone number?

AeroLeads has found 2 phone signal(s) with area code 815 for Ryan Ehrhardt.

Where is Ryan Ehrhardt based?

Ryan Ehrhardt is based in United States.

What companies has Ryan Ehrhardt worked for?

Ryan Ehrhardt has worked for Stellar Development Foundation, Yelp, Mz, Cisco, and Neohapsis.

How can I contact Ryan Ehrhardt?

You can use AeroLeads to view verified contact signals for Ryan Ehrhardt, including work email, phone, and LinkedIn data when available.

What schools did Ryan Ehrhardt attend?

Ryan Ehrhardt holds Ms, Computer Science from Northern Illinois University.

What skills is Ryan Ehrhardt known for?

Ryan Ehrhardt is listed with skills including Penetration Testing, Application Security, Information Sec, Computer Security, Web Application Security, Mobile Security, Vulnerability Assessment, and Security.

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