Bill Sibold

Bill Sibold serves as Chief Executive Officer at Madrigal Pharmaceuticals. Madrigal Pharmaceuticals operates in the pharmaceuticals sector with approximately 700.0 employees. The company is headquartered in Cambridge, Massachusetts. Madrigal Pharmaceuticals generates annual revenue of 720532000.0.

Industry & Role Insights

• • MessageCEO tracks 1,288 executives in the pharmaceuticals sector.
• • We have verified contacts for 3 executives at Madrigal Pharmaceuticals.
• • 3,781 executive contacts are available in Massachusetts.
• • Our database includes 201,469 c suite-level executives.

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PF

Paul Friedman CEO at Madrigal Pharmaceuticals

MB

Mark Barrett Chief Business Officer at Madrigal Pharmaceuticals

YM

Yathendra Madineni Chief Executive Officer at 4C Pharma Solutions

RB

Ronan Brown Chief Operating Officer at 4G Clinical

HK

Hitoshi Kamiya Chief Executive Officer at A2 Healthcare Corporation

Outreach Guidance — pharmaceuticals Sector

Executives like Bill Sibold in the pharmaceuticals 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 Madrigal Pharmaceuticals.

Bill Sibold's Position in the MessageCEO Database

• •Bill Sibold is 1 of 3 verified executive contacts we track at Madrigal Pharmaceuticals.
• •1,240 verified executive contacts in pharmaceuticals are in the MessageCEO database.
• •3,577 verified executive contacts in Massachusetts are in the database.
• •8 verified contacts work at pharmaceuticals companies in the 700.0 employee range (same size as Madrigal Pharmaceuticals).

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 We do not publish personal addresses or sensitive identifiers.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 June 2026.

How do I reach Bill Sibold directly?

Bill Sibold's verified email address is available to MessageCEO Pro subscribers. They currently serve as Chief Executive Officer at Madrigal Pharmaceuticals. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Bill Sibold work for?

Bill Sibold is Chief Executive Officer at Madrigal Pharmaceuticals, a company in the pharmaceuticals sector with 700.0 employees. The company is based in Cambridge, Massachusetts.

Can I pitch or sell to Bill Sibold?

As Chief Executive Officer at Madrigal Pharmaceuticals, Bill Sibold is a key decision-maker in the pharmaceuticals sector. MessageCEO Pro gives you verified email to reach Bill Sibold directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Bill Sibold in?

Bill Sibold works in the pharmaceuticals industry as Chief Executive Officer at Madrigal Pharmaceuticals. MessageCEO provides verified contact information for executives across all major industries.

Is Bill Sibold's contact information verified?

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

Last updated: June 24, 2026