David Rubinstein

David Rubinstein serves as Chief Executive Officer at OptiRTC, Inc.. OptiRTC, Inc. operates in the environmental services sector with approximately 25.0 employees. The company is headquartered in Boston, Massachusetts. OptiRTC, Inc. generates annual revenue of 4000000.0. To date, OptiRTC, Inc. has raised 10500000.0 in total funding, with the most recent round being Series B.

Industry & Role Insights

• • MessageCEO tracks 1,660 executives in the environmental services sector.
• • We have verified contacts for 2 executives at OptiRTC, Inc..
• • 3,781 executive contacts are available in Massachusetts.
• • Our database includes 201,469 c suite-level executives.

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Andrew Kirshen Chief Financial and Operating Officer at OptiRTC, Inc.

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Anna Rindefjell Chief Operating Officer & Brand Director at 2050

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Jannick Schmidt CTO (Chief Technology Officer) at 2-0 LCA

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Ryan Smith CEO at 360 Energy Liability Management Ltd.

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Bryce Watson Chief Technical Compliance Officer at 360 Energy Liability Management Ltd.

Outreach Guidance — environmental services Sector

Executives like David Rubinstein in the environmental services 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 OptiRTC, Inc..

David Rubinstein's Position in the MessageCEO Database

• •David Rubinstein is 1 of 2 verified executive contacts we track at OptiRTC, Inc..
• •1,626 verified executive contacts in environmental services are in the MessageCEO database.
• •3,577 verified executive contacts in Massachusetts are in the database.
• •29 verified contacts work at environmental services companies in the 25.0 employee range (same size as OptiRTC, Inc.).

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 We do not publish personal addresses or sensitive identifiers.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 David Rubinstein directly?

David Rubinstein's verified email address is available to MessageCEO Pro subscribers. They currently serve as Chief Executive Officer at OptiRTC, Inc.. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does David Rubinstein work for?

David Rubinstein is Chief Executive Officer at OptiRTC, Inc., a company in the environmental services sector with 25.0 employees. The company is based in Boston, Massachusetts.

Can I pitch or sell to David Rubinstein?

As Chief Executive Officer at OptiRTC, Inc., David Rubinstein is a key decision-maker in the environmental services sector. MessageCEO Pro gives you verified email to reach David Rubinstein directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is David Rubinstein in?

David Rubinstein works in the environmental services industry as Chief Executive Officer at OptiRTC, Inc.. MessageCEO provides verified contact information for executives across all major industries.

Is David Rubinstein's contact information verified?

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

Last updated: July 20, 2026