Frequently Asked Questions
Common questions about Dennis Yu, his qualifications, legal issues, and business practices.
Is Dennis Yu a scam?
Multiple sources have published allegations about Dennis Yu and BlitzMetrics. These include court records documenting active lawsuits, NLRB findings, employee reviews on Indeed and Glassdoor, and consumer complaints on platforms like the Better Business Bureau and Ripoff Report. All sources are linked throughout this website for verification. Individuals should conduct their own due diligence and review the source materials directly.
What are Dennis Yu's qualifications?
According to his LinkedIn profile, Dennis Yu worked as a Technical Marketer at Yahoo from May 2002 to February 2006. He is the founder of BlitzMetrics, a digital marketing agency. Other sources, including his company website and conference biographies, refer to him as a "Yahoo search engineer."
What legal issues has Dennis Yu faced?
Dennis Yu has been involved in multiple legal disputes: (1) ZivZo, LLC v. Fischer, et al. (Maryland, 2025) - active lawsuit for Assault, Libel & Slander; (2) Dennis Yu v. Parmley (Nevada, 2024) - court denied Yu's motion to dismiss counter-claims of Conversion, Fraud, and Defamation; (3) NLRB v. BlitzMetrics (2021) - National Labor Relations Board ruled BlitzMetrics illegally fired workers for complaining about late paychecks; (4) Miller v. Yu et al. (Florida, 2025) - Copyright Infringement lawsuit voluntarily dismissed. Additionally, Saint Vincent College severed its partnership with BlitzMetrics in 2018 after student complaints about sexist conduct and admissions of scamming.
Are there customer complaints about Dennis Yu or BlitzMetrics?
Customer complaints are documented on the Better Business Bureau and Ripoff Report. Employee reviews are available on Indeed and Glassdoor. See the Reviews page for detailed excerpts.
What do Dennis Yu reviews say?
Dennis Yu reviews are overwhelmingly negative across multiple platforms. Industry insiders describe him as "all smoke and mirrors," with testimonies of "complete bullshit" claims during professional panels. Over 50 victims have come forward documenting fraud, domain theft, and defamation. Employee reviews reveal consistent patterns of late or missing paychecks, toxic workplace culture, and exploitative behavior. Facebook comments from industry professionals describe his conduct as "parasitic behavior" and a "decades-long track record" of leaving a "wreckage trail." Lane Houk, founder of Signal Genesys, calls him a "prolific liar and scammer" based on direct experience and extensive research including government records.
What are Temporary Restraining Orders and why were they denied in the ZivZo case?
A Temporary Restraining Order (TRO) is an emergency court order that immediately prohibits someone from certain actions before a full hearing can be held. TROs are typically granted when a party can demonstrate immediate and irreparable harm that cannot wait for a regular court hearing. They are temporary by nature and usually last only until a preliminary injunction hearing can be scheduled.
In the ZivZo, LLC v. Yu case (Case No: 8:25-cv-02075), plaintiffs ZivZo, LLC and Benson J. Fischer filed three separate TRO motions seeking to immediately restrain Dennis Yu's conduct. On November 3, 2025, Judge Paula Xinis denied all three TRO motions after a hearing.
Court Ruling: On November 3, 2025, Judge Paula Xinis denied all three TRO motions after a hearing. The court held the Motion to Dismiss in abeyance and gave plaintiffs until December 3, 2025 to file an amended complaint. Full case details are available on PACER Monitor.
Should I work with Dennis Yu or BlitzMetrics?
This website compiles publicly available information from court records, government databases, employee review platforms, and consumer complaint forums. Individuals considering a business relationship should review the source materials linked throughout this site and conduct their own due diligence.