About
We’ve been in the seat. That’s the whole point.
GTM Advisors is led by two operators who’ve built and scaled go-to-market teams, not consultants who’ve watched others do it.
150+
B2B companies advised, from Seed-stage startups to the enterprise.
Our story
Built from the inside.
We’ve carried the number, built the teams, and lived through the exits. Since then we’ve advised more than 150 B2B companies on the same problems. GTM Advisors is how we bring that operator judgment to founders hitting the walls we’ve already climbed.
The partners
Who you’ll work with.
Ryan Cahill
Co-founder & Managing Partner · Jupiter, FL
Ryan spent 14 years growing revenue at some of Silicon Valley’s most successful SaaS companies: SuccessFactors (acquired by SAP), Responsys (acquired by Oracle), Zuora, and Selligent. He’s focused on building GTM that lasts, not quick fixes.
LIKES The ocean, fast cars, restoring cars with his sons
DISLIKES LinkedIn prospecting messages, middle seats, onions
DOG Aisha
Seth Cahill
Co-founder & Managing Partner · Austin, TX
Seth has spent 10+ years helping more than 150 B2B SaaS companies find and close their GTM gaps. He specializes in revenue acceleration across marketing and sales, operational efficiency, and developing the leaders who keep it running.
LIKES Steph Curry’s shot, Freddy Couples’ swing, a strong cup of joe
DISLIKES Messy data, feature dumping, “I’m just following up…”
DOGS Cali and Libby
The team
The people behind the work.

Rus Ackner
CMO - Marketing Lead
Rus has spent more than 25 years in brand and growth marketing as a founder and CEO. He’s also built businesses that help local merchants collect reviews and grow their presence across online directories.

Indu Sudhakar
VP - Sales Lead
Indu has spent more than a decade driving revenue growth for SaaS companies, with strategy work from business development through customer success. Clients include Dialpad, Brex, Hopin, Calendly, Plaid and LinkedIn.

Derek Sather
CRO - Exec/Board Lead
Derek is a two-time CRO who founded Science to Sales, which Winning by Design acquired. He holds an MBA from MIT Sloan and coaches revenue leaders on building more predictable growth.

Daniel Bruce
AI Development Lead
Daniel has more than 20 years in technology at Anheuser-Busch, Penn Mutual, IBM and NextEra Energy, and has led a data science and AI consulting practice. He builds AI solutions that pull insight out of unstructured data.

Alex Esser
Marketing & Content
Alex works on marketing performance and growth strategy. As Marketing Programs Manager at Winning by Design, he ran pipeline generation programs and marketing operations.

Kelly Groglio
Marketing & Design
Kelly is an agency founder and chief creative officer who has also run marketing for a go-to-market consultancy. She pairs creative direction with hands-on work, from brand strategy to building marketing teams that scale.

Jerimiah Lancaster
Training & Enablement
Jerimiah is a two-time CRO and fractional go-to-market leader who builds motions from the ground up. He spent four years as Managing Director and Partner at Winning by Design. He writes The Art of Sales and coaches founders on ICP and sales velocity.

Sahana Subramanian
Product Marketing
Sahana is a product marketing leader with an engineering background and experience across startups and global software and AI enterprises, specializing in product launches, market expansion, competitive intelligence, and pricing strategy.

Connor Fee
CRO - Sales/RevOps
Connor helps earlier-stage B2B SaaS companies build their sales teams and operating cadence. He’s been CRO at Shortcut and Clearbit, a partner at Winning by Design and COO at UserVoice, and started his career at Bain & Company.

Nicole Cahill
SDR - Biz Dev
Nicole works in product marketing and business development for B2B companies. As a sales development manager she built lead generation and qualification processes.
What we believe
Three principles.
01
Data before opinions
We don’t prescribe until we’ve seen your pipeline.
02
Clarity, then hands
Advice first. Execution alongside you when it’s needed.
03
Say the hard thing
If the problem isn’t GTM, we’ll tell you.



