
SCOUT OUR TEAM
OUR LEADERSHIP
At Tamarack Grove, we hire the person, not the position. This philosophy has allowed us to build a team of diverse leaders with passion and drive that serve our clients, community and one another.
OUR TEAM




BONNIE SIELAFF
Co-Founder, Advisory Board Member
BRIAN LIQUIN
Director of Operations/Finance
CELESTE SWEET
HR Manager
RICHELE RAPP
Accounting Manager




BRENDON COLLINS, E.I.
Engineering Manager
BIKASH SIGDEL, P.E.
Engineering Manager
DEREK PECK, P.E.
Engineering Manager
CHAD DICKINSON
BIM Manager




GARRETT DAVIS, E.I.
Project Engineer
TYLER MAIER, E.I.
Project Engineer




VITALIY GOLOVIN
BIM Designer
BETHANY MARCH, E.I.
Project Engineer
TREVOR SIGMAN, E.I.
Project Engineer
MICHAEL ALLISON, E.I.
Project Engineer




PRATIK POKHAREL, E.I.
Project Engineer
RUCHIN KHADKA, E.I.
Project Engineer
IAN McCLURE, E.I.
Project Engineer
SOHIL PAUDEL, E.I.
Project Engineer




CONNOR ASMUS, E.I.
Project Engineer
LOGAN MARTEN, E.I.
Project Engineer
CARMEN PEMSLER, E.I.
Project Engineer
VICKEY NIDHI, E.I.
Project Engineer




RYLIE FREI, E.I.
Project Engineer
RYAN PYPER
Engineering Intern
DUNCAN ROBERTSON
Business Development and Marketing
JANICE BERRYMAN
Administrative Assistant




LICENSURE
Where in the world is Tamarack Grove? Much like Waldo, you will find us everywhere. Professionally licensed in 49 US States including our nation’s capital in Washington DC, the US Territories of Guam, Puerto Rico, the Virgin Islands, and the Bahamas with peer-review in Hawaii, we have the US covered. We also love our neighbors to the north and are licensed in the Canadian Provinces of British Columbia, Alberta, Manitoba, Saskatchewan, Yukon. Nova Scotia, Ontario, Newfoundland and Labrador. You will also find us across the globe wherever our clients may take us like Asia, South America, Africa, and Europe.

