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About Us

A private advisory partnership for the aesthetics industry.

Shefa Atelier was founded by Roxanne Rittberg and Amber Foster as equal partners. We work one-on-one with owners and founders of medical spas, aesthetic practices and wellness businesses who want to grow with more clarity and less guesswork.

The Art of Abundance.

Co-Founders & Managing Partners

Our partners

Portrait of Roxanne Rittberg, Co-Founder & Managing Partner

Roxanne Rittberg

Co-Founder & Managing Partner

Roxanne brings an operator's view of the aesthetics business. As Chief Executive Officer of Luxura Aesthetic Medical Spa, she worked alongside Amber to grow the company to six locations in two years.

Her experience spans more than fifteen years across sales leadership, marketing, business development and operations — the areas that most often decide whether a practice grows profitably.

Full profile of Roxanne
  • Former Chief Executive Officer, Luxura Aesthetic Medical Spa
  • Grew Luxura to six locations in two years, together with Amber
  • 15+ years in sales, marketing, business development and operations
Portrait of Amber Foster, Co-Founder & Managing Partner

Amber Foster

Co-Founder & Managing Partner

Amber brings an operator's view of expansion and sales. As Chief Operating Officer of Luxura Aesthetic Medical Spa, she worked alongside Roxanne to grow the company to six locations in two years.

She has led property scouting, negotiations, permitting and pre-construction for new locations, and today helps aesthetic business owners find where revenue is being lost as a consultant with Diamond Accelerator.

Full profile of Amber
  • Chief Operating Officer, Luxura Aesthetic Medical Spa
  • Grew Luxura to six locations in two years, together with Roxanne
  • Sales Director at Luxura and Business Consultant with Diamond Accelerator

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Additional credentials or affiliations

Add certifications, board roles or press for either partner only once they are accurate and confirmed.

How we work

Principles behind the advice.

Operators, not marketers

Our advice is grounded in how aesthetics businesses actually run — providers, front desk, schedules and margins — rather than in selling a channel.

Direct and discreet

Owners hear an honest view, privately. Conversations and business details stay confidential.

Measured, not inflated

No promised percentages or overnight transformations. Clear thinking, sound priorities and steady execution.

Leather notebook and fountain pen on a travertine ledge in soft window light

Not an agency. A senior partnership.

We do not run ads or produce content. We help owners decide what matters most, and work alongside them as those decisions are carried out by their teams and partners.

Apply for a Private Consultation

By application

A private conversation about what comes next.

Consultations are offered to established owners and founders after a short application. Every application is reviewed personally.

Apply for a Private Consultation