Shawn O'Brien

Shawn O'Brien serves as Chief Executive Officer and Managing Director at Mayne Pharma. Mayne Pharma operates in the pharmaceuticals sector with approximately 590.0 employees. The company is headquartered in Philadelphia, Pennsylvania. Mayne Pharma generates annual revenue of 259023000.0.

Industry & Role Insights

• • MessageCEO tracks 1,288 executives in the pharmaceuticals sector.
• • 2,637 executive contacts are available in Pennsylvania.
• • Our database includes 201,468 c suite-level executives.

Rackspace MailGun Mimecast MailChimp SPF Microsoft Office 365 Google Cloud Hosting Atlassian Cloud Amazon SES Nginx Mobile Friendly WordPress.org Google Tag Manager Remote

drug delivery technologies pharmaceutical products product development services contract manufacturing pharmaceutical manufacturing specialty pharmaceuticals generic drugs oral drug delivery topical drug delivery womens health dermatology products contract development pharmaceutical innovation bioavailability technology sustainable practices environmental health patient access clinical development regulatory affairs product commercialization analytical testing pharmaceutical ethics quality assurance safety testing clinical trials therapeutic areas drug formulation compounding medical marketing healthcare partnerships manufacturing capabilities drug disposal waste management product portfolio nda submissions patient-centric products market access strategies research & development global distribution sales force excellence pharmaceutical marketing commercial operations healthcare compliance investor relations community engagement employee wellness career development diversity & inclusion corporate governance environmental sustainability energy management innovative packaging contract manufacturing services novel pharmaceuticals generic pharmaceuticals oral drug delivery systems dermatology women's health contract development & manufacturing organization (cdmo) innovative drug delivery commercial manufacturing pharmaceutical development healthcare solutions patient outcomes prescription medications market solutions healthcare providers customer engagement global presence patient safety health conditions contraceptive solutions skin conditions workplace culture strategic partnerships market focus customer satisfaction product tolerability employee reviews management practices mechanical or industrial engineering pharmaceuticals medical health care health wellness & fitness hospital & health care oil & energy

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

LJ

Lars Jensen CEO at A-apoteket

TL

Tien Lee CEO at Aardvark Therapeutics, Inc.

Outreach Guidance — pharmaceuticals Sector

Executives like Shawn O'Brien 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 Mayne Pharma.

Shawn O'Brien's Position in the MessageCEO Database

• •Shawn O'Brien is 1 of 1 verified executive contact we track at Mayne Pharma.
• •1,240 verified executive contacts in pharmaceuticals are in the MessageCEO database.
• •2,484 verified executive contacts in Pennsylvania are in the database.
• •15 verified contacts work at pharmaceuticals companies in the 590.0 employee range (same size as Mayne Pharma).

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 Shawn O'Brien directly?

Shawn O'Brien's verified email address is available to MessageCEO Pro subscribers. They currently serve as Chief Executive Officer and Managing Director at Mayne Pharma. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Shawn O'Brien work for?

Shawn O'Brien is Chief Executive Officer and Managing Director at Mayne Pharma, a company in the pharmaceuticals sector with 590.0 employees. The company is based in Philadelphia, Pennsylvania.

Can I pitch or sell to Shawn O'Brien?

As Chief Executive Officer and Managing Director at Mayne Pharma, Shawn O'Brien is a key decision-maker in the pharmaceuticals sector. MessageCEO Pro gives you verified email to reach Shawn O'Brien directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Shawn O'Brien in?

Shawn O'Brien works in the pharmaceuticals industry as Chief Executive Officer and Managing Director at Mayne Pharma. MessageCEO provides verified contact information for executives across all major industries.

Is Shawn O'Brien's contact information verified?

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

Last updated: July 26, 2026