Theresia Plessis

Theresia Plessis serves as PA to CEO at Obsidian Health. Obsidian Health operates in the medical devices sector with approximately 71.0 employees. The company is headquartered in Johannesburg, Gauteng.

Industry & Role Insights

• • MessageCEO tracks 1,888 executives in the medical devices sector.
• • 1,915 executive contacts are available in Gauteng.
• • Our database includes 201,469 c suite-level executives.

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Outreach Guidance — medical devices Sector

Executives like Theresia Plessis in the medical devices sector receive targeted outreach from sales teams, recruiters, and investors. To stand out, personalize your message with industry-specific context and a clear, specific value proposition relevant to their role at Obsidian Health.

Theresia Plessis's Position in the MessageCEO Database

• •Theresia Plessis is 1 of 1 verified executive contact we track at Obsidian Health.
• •1,787 verified executive contacts in medical devices are in the MessageCEO database.
• •1,897 verified executive contacts in Gauteng are in the database.
• •6 verified contacts work at medical devices companies in the 71.0 employee range (same size as Obsidian Health).

Executive contact data compiled from public business filings, LinkedIn public profiles, company press materials, and verified outbound email testing. We do not publish personal addresses or sensitive identifiers. Methodology & sources · Removal requests handled at /remove-info · Updated July 2026.

How do I reach Theresia Plessis directly?

Theresia Plessis's verified email address is available to MessageCEO Pro subscribers. They currently serve as PA to CEO at Obsidian Health. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Theresia Plessis work for?

Theresia Plessis is PA to CEO at Obsidian Health, a company in the medical devices sector with 71.0 employees. The company is based in Johannesburg, Gauteng.

Can I pitch or sell to Theresia Plessis?

As PA to CEO at Obsidian Health, Theresia Plessis is a key decision-maker in the medical devices sector. MessageCEO Pro gives you verified email to reach Theresia Plessis directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Theresia Plessis in?

Theresia Plessis works in the medical devices industry as PA to CEO at Obsidian Health. MessageCEO provides verified contact information for executives across all major industries.

Is Theresia Plessis's contact information verified?

Yes. MessageCEO verifies executive contact information through multiple data sources and regular validation checks. Theresia Plessis's profile is kept up-to-date with the latest available information.

Last updated: July 19, 2026