Mosaic Team

We are drug hunters, entrepreneurs, bio-pharma leaders, process engineers, and diverse scientific experts. What do we have in common?

We love a challenge

Eric Furfine

Chief Executive and Scientific Officer

Eric brings experience in leadership roles in biotechnology and pharmaceutical companies to the role of Chief Executive and Scientific Office at Mosaic.

He is a visionary leader and drug hunter in the biotech and pharmaceutical industry. As CSO and President of R&D at Eleven Biotherapeutics, his leadership drove an IPO that financed Phase 3 clinical studies and a lucrative licensing deal on a second therapeutic asset. His building the Adnectin protein therapeutic discovery platform at Adnexus resulted in the acquisition of the company by BMS, where subsequently five adnectins were advanced into clinical studies. As VP Preclinical Development at Regeneron, he played pivotal roles in developing game-changing drugs, such as Eylea. Eric received his PhD in Biochemistry from Brandeis University

Marty Stanton

Chief Executive and Operating Officer

Marty brings C-Level experience in a variety of biopharma, diagnostic, and instrumentation companies to his role as Chief Executive and Operating Officer at Mosaic.

Marty is an accomplished innovator and leader in biotechnology: Marty founded Mosaic in 2009 and continues to lead the company as co-CEO with Eric Furfine. Prior to founding Mosaic, Marty's inventive prowess in the CSO and COO roles at SomaLogic led to the invention of the groundbreaking SomaScan assay. As Co-founder and President of Dexela, he spearheaded the advancement of 3D breast imaging technology. Prior to that, as the founder and President of Archemix, Marty's exceptional leadership skills enabled the successful fundraising of over $100 million for the development of aptamer therapeutics. Marty received his PhD in Biophysics from Brandeis University.

Wonders if it is still possible to learn to play the piano

Rachel Rennard

VP Protein Therapeutics

Rachel leads the Antibody Discovery and Optimization Team

She has close to 25 years of experience in Antibody Discovery and Engineering and has a proven track record of successfully building robust Discovery Platforms with a specialization in in vitro display technologies. Before joining Mosaic, Rachel was CTO of Antibodies at Alloy Therapeutics. There she established Alloy’s Antibody Discovery Services Platform based on their humanized mouse. At Compass Therapeutics, Rachel led the in vitro Antibody Discovery and Engineering team and built their foundational naïve phage technology that powered the discovery of antibodies for over 50 therapeutic programs. Similarly, Rachel established an in-house phage display platform at Moderna Therapeutics for the discovery of antibodies for passive immunity treatments. Rachel received her MS at The Ohio State University and her Doctorate at William James College.

Rachel is an amateur mycologist

Chad Frederickson

Chief Financial Officer

Chad is responsible for leading Mosaic's finance group.

He is an experienced leader with proficiency creating and scaling early-stage companies. His background includes working with public and private companies, as well as late, growth and early-stage businesses. Chad has completed more than 20 M&A transactions and has raised over $200M of capital. His previous roles include being CEO for AxisVet Inc., CFO for Transverse Medical, and CFO and EVP of Sales & Marketing for Bio2 Medical. Chad holds a Master of Business Administration from the University of Chicago Booth School of Business. He is also a Chartered Financial Analyst (CFA). (CFA).

Middle-aged Super Model in training

Stacy Capehart

Director Protein Therapeutics

Stacy leads the Protein Sciences Team as well as multiple partner programs

She has held roles of increasing responsibility since joining Mosaic Biosciences in 2019. As a Director at Mosaic Biosciences, Stacy has led several teams for projects involving protein engineering, expression, chemical modification, and characterization as well as bioassay development and external PK/PD studies. Prior to joining Mosaic, Stacy conducted integral research at Editas Medicine and Velocity Sciences. Stacy received her Ph.D. in chemistry from the University of California, Berkeley.

Mango edamame burrito enthusiast

Alexei Kazantsev

Sr. Director Bioinformatics

Alexei leads the Bioinformatic team as well as multiple parter programs

He is a gifted scientist with domain expertise spanning structural and chemical biology, protein engineering, and tissue engineering. At Mosaic Biosciences, he spearheaded efforts to optimize the pharmacokinetic properties and selectivity of therapeutic protein candidates and led the design and development of hydrogel matrices for drug delivery and tissue regeneration. Prior to joining Mosaic, he conducted structural biology research on RNA and proteins using X-ray crystallography and SAXS techniques. Alexei received his PhD in Biochemistry from Indiana University Bloomington.

Attempts to keep up with sons in climbing gym

Eric Furfine PhD

Chief Executive and Scientific Officer

Marty Stanton PhD

Chief Executive and Operating Officer

Rachel Rennard MS, PsyD

VP Protein Therapeutics

Stacy Capehart PhD

Director Protein Sciences

Chad Frederickson MBA

Chief Financial Officer

Alexei Kazantsev PhD

Sr. Director Bioinformatics

Julia Carleton PhD

Senior Scientist

Yeast display, technology development, cell based assays

Hot sauce specialist

Darcy Kahn PhD

Scientist

In vitro assays, cell biology

Master of the lab bench dance party

Joe Grim PhD

Senior Scientist

Program lead, immunology, antibody discovery and optimization

Amateur professional tennis player (unranked)

Mlana Lore BS

Associate Scientist

Cell based assays

Caregiver to two guinea pigs, one lizard, and two cats

Rhea Hartje PhD

Senior Scientist

Analytical assay development, HPLC guru

Magna-tile builder extraordinaire

Deanna Hickson BS

Associate Scientist

Protein expression, purification, bioconjugation

Her life is largely controlled by her two cats

Mara Sprouse PhD

Senior Scientist

Cell-based Assays Group Lead

Downhill mountain biker, life is better on 2 wheels

Pablo Ceres PhD

Senior Scientist

Analytical functional team member, SPR troubleshooting

Soccer aficionado, kids’ driver to all their activities

Maria Lo PhD

Senior Scientist

Phage display, antibody discovery, mammalian cell expression, project leader

Kirkland enthusiast

Holly Postlethwaite BS

Principal Associate Scientist

Antibody binding interactions, SPR

Avid CrossFitter and mom to two fur-babies

Tristan Woods BS

Associate Scientist

Protein expression, purification, and characterization

Peanut Wrangler

Marion Weir PhD

Senior Scientist

Mammalian expression lead, protein purification and characterization

Avid rock climber, skier, and mountain biker. Aspiring Great British Baking Show contestant

Arden Barbour PhD

Senior Scientist

Protein expression/purification, Party Planner

Aspiring farm to table chef

Crystal Follansbee BFA

Executive Assistant

Ordering Executive, Accounts Payable

Former junior AKC handler

Cara Martyr BA

Associate Scientist

Protein expression/purification

Work in progress extreme skier

Josh Slocum PhD

Senior Scientist

Analytical Group Lead

Will run for beer

Zach Dobson PhD

Scientist

Protein Purification, Protein Characterization, Protein formulation

I like fishing

Sam Summers PhD

Scientist

Purification and Analytics

Enthusiast of plants, surfing, and One Direction

Ryan Pepi BS

Scientist

Protein expression, purification, biophysical characterization, and automation

Ryan is an identical twin, but doesn’t send his brother to work for him

Tobin Brown PhD

Senior Scientist

Protein analytical development, binding interactions

Joint winner, 2022 long distance pipetting

Jonathan Mendez MS

Sr Associate Scientist

Molecular biology

Unofficial Mosaic dungeon master

Linda Forero MS PhD

Scientist

Cell Assays Development, Microscopy, Analytical Biochemistry.

Known for her happy dances after a good experiment

Nikki Oberlie MS

Principle Associate Scientist

Analytical development, protein purification

Will eat ANY baked goods that get brought in!

Ed Hongdusit PhD

Scientist

Antibody discovery, library generator

Self-proclaimed food critic

Martha Braun PhD

Scientist

Protein purification and analysis

Trail runner coached by her German Shorthaired Pointer

Alex Jackson MS

Principal Associate Scientist

Protein Analytical Chemist, Space Committee Member

Best in car vocalist

Michele Dillon AA

Office Manager

Inventory and supply queen, office snacks and morale

Professional discoverer of your inner child

AnnaMarie Drotar PhD

Scientist

Protein Analytics Team member

Colorado native, plays French Horn in the community band

Melly Louise BS

Director, Orginization

The best dog ever!

We are drug hunters, entrepreneurs, bio-pharma leaders, process engineers, and diverse scientific experts. What do we have in common?

We love a challenge

Our leadership team

Eric Furfine PhD

Marty Stanton PhD

Rachel Rennard MS, PsyD

Stacy Capehart PhD

Chad Frederickson MBA

Alexei Kazantsev PhD

Our Team

Julia Carleton PhD

Darcy Kahn PhD

Joe Grim PhD

Mlana Lore BS

Rhea Hartje PhD

Deanna Hickson BS

Mara Sprouse PhD

Pablo Ceres PhD

Maria Lo PhD

Holly Postlethwaite BS

Tristan Woods BS

Marion Weir PhD

Arden Barbour PhD

Crystal Follansbee BFA

Cara Martyr BA

Josh Slocum PhD

Zach Dobson PhD

Sam Summers PhD

Ryan Pepi BS

Tobin Brown PhD

Jonathan Mendez MS

Linda Forero MS PhD

Nikki Oberlie MS

Ed Hongdusit PhD

Martha Braun PhD

Alex Jackson MS

Michele Dillon AA

AnnaMarie Drotar PhD

Melly Louise BS